Home / 2,885,643.10-4,327,444.05-991,944.10

Finding the Fourth Proportional to 2,885,643.10, 4,327,444.05 and 991,944.10

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Solution

The fourth proportional to 2,885,643.10, 4,327,444.05 and 991,944.10 is: 1,487,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,643.10 : 4,327,444.05 = 991,944.10 : x
  2. Step 2: Convert to fraction form
    2,885,643.10/4,327,444.05 = 991,944.10/x
  3. Step 3: Cross multiply
    2,885,643.10x = 4,327,444.05 × 991,944.10
  4. Step 4: Simplify right side
    2,885,643.10x = 4,292,582,593,477.60
  5. Step 5: Solve for x
    x = 4,292,582,593,477.60/2,885,643.10
  6. Step 6: Final answer
    x = 1,487,565.32

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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.