Home / 3,516,818.40-5,275,170-1,120,630.32

Finding the Fourth Proportional to 3,516,818.40, 5,275,170 and 1,120,630.32

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Solution

The fourth proportional to 3,516,818.40, 5,275,170 and 1,120,630.32 is: 1,680,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,818.40 : 5,275,170 = 1,120,630.32 : x
  2. Step 2: Convert to fraction form
    3,516,818.40/5,275,170 = 1,120,630.32/x
  3. Step 3: Cross multiply
    3,516,818.40x = 5,275,170 × 1,120,630.32
  4. Step 4: Simplify right side
    3,516,818.40x = 5,911,515,445,154.40
  5. Step 5: Solve for x
    x = 5,911,515,445,154.40/3,516,818.40
  6. Step 6: Final answer
    x = 1,680,927.13

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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.