Home / 5,801,666.40-8,699,437.80-1,962,169.20

Finding the Fourth Proportional to 5,801,666.40, 8,699,437.80 and 1,962,169.20

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Solution

The fourth proportional to 5,801,666.40, 8,699,437.80 and 1,962,169.20 is: 2,942,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801,666.40 : 8,699,437.80 = 1,962,169.20 : x
  2. Step 2: Convert to fraction form
    5,801,666.40/8,699,437.80 = 1,962,169.20/x
  3. Step 3: Cross multiply
    5,801,666.40x = 8,699,437.80 × 1,962,169.20
  4. Step 4: Simplify right side
    5,801,666.40x = 17,069,768,908,475.76
  5. Step 5: Solve for x
    x = 17,069,768,908,475.76/5,801,666.40
  6. Step 6: Final answer
    x = 2,942,218.28

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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.