Home / 2,437,979.64-3,642,143.12-1,578,045.56

Finding the Fourth Proportional to 2,437,979.64, 3,642,143.12 and 1,578,045.56

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Solution

The fourth proportional to 2,437,979.64, 3,642,143.12 and 1,578,045.56 is: 2,357,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437,979.64 : 3,642,143.12 = 1,578,045.56 : x
  2. Step 2: Convert to fraction form
    2,437,979.64/3,642,143.12 = 1,578,045.56/x
  3. Step 3: Cross multiply
    2,437,979.64x = 3,642,143.12 × 1,578,045.56
  4. Step 4: Simplify right side
    2,437,979.64x = 5,747,467,779,400.55
  5. Step 5: Solve for x
    x = 5,747,467,779,400.55/2,437,979.64
  6. Step 6: Final answer
    x = 2,357,471.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.