Home / 3,416,455.80-5,124,683.70-2,159,854.20

Finding the Fourth Proportional to 3,416,455.80, 5,124,683.70 and 2,159,854.20

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Solution

The fourth proportional to 3,416,455.80, 5,124,683.70 and 2,159,854.20 is: 3,239,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,455.80 : 5,124,683.70 = 2,159,854.20 : x
  2. Step 2: Convert to fraction form
    3,416,455.80/5,124,683.70 = 2,159,854.20/x
  3. Step 3: Cross multiply
    3,416,455.80x = 5,124,683.70 × 2,159,854.20
  4. Step 4: Simplify right side
    3,416,455.80x = 11,068,569,613,116.54
  5. Step 5: Solve for x
    x = 11,068,569,613,116.54/3,416,455.80
  6. Step 6: Final answer
    x = 3,239,781.30

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1.5x scale

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.