Home / 6,381,798.09-9,572,780.42-2,121,966.30

Finding the Fourth Proportional to 6,381,798.09, 9,572,780.42 and 2,121,966.30

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Solution

The fourth proportional to 6,381,798.09, 9,572,780.42 and 2,121,966.30 is: 3,182,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,798.09 : 9,572,780.42 = 2,121,966.30 : x
  2. Step 2: Convert to fraction form
    6,381,798.09/9,572,780.42 = 2,121,966.30/x
  3. Step 3: Cross multiply
    6,381,798.09x = 9,572,780.42 × 2,121,966.30
  4. Step 4: Simplify right side
    6,381,798.09x = 20,313,117,448,539.84
  5. Step 5: Solve for x
    x = 20,313,117,448,539.84/6,381,798.09
  6. Step 6: Final answer
    x = 3,182,977.14

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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.