Home / 6,430,871.64-8,872,785.18-4,140,358.68

Finding the Fourth Proportional to 6,430,871.64, 8,872,785.18 and 4,140,358.68

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Solution

The fourth proportional to 6,430,871.64, 8,872,785.18 and 4,140,358.68 is: 5,712,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,871.64 : 8,872,785.18 = 4,140,358.68 : x
  2. Step 2: Convert to fraction form
    6,430,871.64/8,872,785.18 = 4,140,358.68/x
  3. Step 3: Cross multiply
    6,430,871.64x = 8,872,785.18 × 4,140,358.68
  4. Step 4: Simplify right side
    6,430,871.64x = 36,736,513,135,788.36
  5. Step 5: Solve for x
    x = 36,736,513,135,788.36/6,430,871.64
  6. Step 6: Final answer
    x = 5,712,524.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.