Home / 2,491,445.92-3,437,970-1,403,894.56

Finding the Fourth Proportional to 2,491,445.92, 3,437,970 and 1,403,894.56

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Solution

The fourth proportional to 2,491,445.92, 3,437,970 and 1,403,894.56 is: 1,937,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,445.92 : 3,437,970 = 1,403,894.56 : x
  2. Step 2: Convert to fraction form
    2,491,445.92/3,437,970 = 1,403,894.56/x
  3. Step 3: Cross multiply
    2,491,445.92x = 3,437,970 × 1,403,894.56
  4. Step 4: Simplify right side
    2,491,445.92x = 4,826,547,380,443.20
  5. Step 5: Solve for x
    x = 4,826,547,380,443.20/2,491,445.92
  6. Step 6: Final answer
    x = 1,937,247.50

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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.