Home / 3,129,975.32-4,695,636.56-970,957.40

Finding the Fourth Proportional to 3,129,975.32, 4,695,636.56 and 970,957.40

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Solution

The fourth proportional to 3,129,975.32, 4,695,636.56 and 970,957.40 is: 1,456,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,975.32 : 4,695,636.56 = 970,957.40 : x
  2. Step 2: Convert to fraction form
    3,129,975.32/4,695,636.56 = 970,957.40/x
  3. Step 3: Cross multiply
    3,129,975.32x = 4,695,636.56 × 970,957.40
  4. Step 4: Simplify right side
    3,129,975.32x = 4,559,263,037,309.57
  5. Step 5: Solve for x
    x = 4,559,263,037,309.57/3,129,975.32
  6. Step 6: Final answer
    x = 1,456,645.05

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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.