Home / 5,320,415.90-7,980,623.85-3,075,398.30

Finding the Fourth Proportional to 5,320,415.90, 7,980,623.85 and 3,075,398.30

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Solution

The fourth proportional to 5,320,415.90, 7,980,623.85 and 3,075,398.30 is: 4,613,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,415.90 : 7,980,623.85 = 3,075,398.30 : x
  2. Step 2: Convert to fraction form
    5,320,415.90/7,980,623.85 = 3,075,398.30/x
  3. Step 3: Cross multiply
    5,320,415.90x = 7,980,623.85 × 3,075,398.30
  4. Step 4: Simplify right side
    5,320,415.90x = 24,543,597,021,229.45
  5. Step 5: Solve for x
    x = 24,543,597,021,229.45/5,320,415.90
  6. Step 6: Final answer
    x = 4,613,097.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.