Home / 3,572,276.82-4,930,164.65-2,121,978.00

Finding the Fourth Proportional to 3,572,276.82, 4,930,164.65 and 2,121,978.00

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Solution

The fourth proportional to 3,572,276.82, 4,930,164.65 and 2,121,978.00 is: 2,928,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,276.82 : 4,930,164.65 = 2,121,978.00 : x
  2. Step 2: Convert to fraction form
    3,572,276.82/4,930,164.65 = 2,121,978.00/x
  3. Step 3: Cross multiply
    3,572,276.82x = 4,930,164.65 × 2,121,978.00
  4. Step 4: Simplify right side
    3,572,276.82x = 10,461,700,947,470.76
  5. Step 5: Solve for x
    x = 10,461,700,947,470.76/3,572,276.82
  6. Step 6: Final answer
    x = 2,928,580.70

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1.5x scale

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.