Home / 1,887,543.56-2,829,119.07-1,078,494.74

Finding the Fourth Proportional to 1,887,543.56, 2,829,119.07 and 1,078,494.74

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Solution

The fourth proportional to 1,887,543.56, 2,829,119.07 and 1,078,494.74 is: 1,616,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,543.56 : 2,829,119.07 = 1,078,494.74 : x
  2. Step 2: Convert to fraction form
    1,887,543.56/2,829,119.07 = 1,078,494.74/x
  3. Step 3: Cross multiply
    1,887,543.56x = 2,829,119.07 × 1,078,494.74
  4. Step 4: Simplify right side
    1,887,543.56x = 3,051,190,021,683.10
  5. Step 5: Solve for x
    x = 3,051,190,021,683.10/1,887,543.56
  6. Step 6: Final answer
    x = 1,616,487.21

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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.