Home / 2,155,041.29-3,234,665.56-1,779,784.90

Finding the Fourth Proportional to 2,155,041.29, 3,234,665.56 and 1,779,784.90

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Solution

The fourth proportional to 2,155,041.29, 3,234,665.56 and 1,779,784.90 is: 2,671,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,041.29 : 3,234,665.56 = 1,779,784.90 : x
  2. Step 2: Convert to fraction form
    2,155,041.29/3,234,665.56 = 1,779,784.90/x
  3. Step 3: Cross multiply
    2,155,041.29x = 3,234,665.56 × 1,779,784.90
  4. Step 4: Simplify right side
    2,155,041.29x = 5,757,008,911,039.02
  5. Step 5: Solve for x
    x = 5,757,008,911,039.02/2,155,041.29
  6. Step 6: Final answer
    x = 2,671,414.66

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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.