Home / 3,019,858.48-4,168,221.96-1,780,549.84

Finding the Fourth Proportional to 3,019,858.48, 4,168,221.96 and 1,780,549.84

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Solution

The fourth proportional to 3,019,858.48, 4,168,221.96 and 1,780,549.84 is: 2,457,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,858.48 : 4,168,221.96 = 1,780,549.84 : x
  2. Step 2: Convert to fraction form
    3,019,858.48/4,168,221.96 = 1,780,549.84/x
  3. Step 3: Cross multiply
    3,019,858.48x = 4,168,221.96 × 1,780,549.84
  4. Step 4: Simplify right side
    3,019,858.48x = 7,421,726,943,962.49
  5. Step 5: Solve for x
    x = 7,421,726,943,962.49/3,019,858.48
  6. Step 6: Final answer
    x = 2,457,640.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.