Home / 5,108,421.40-7,660,411.20-1,464,348.72

Finding the Fourth Proportional to 5,108,421.40, 7,660,411.20 and 1,464,348.72

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Solution

The fourth proportional to 5,108,421.40, 7,660,411.20 and 1,464,348.72 is: 2,195,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,421.40 : 7,660,411.20 = 1,464,348.72 : x
  2. Step 2: Convert to fraction form
    5,108,421.40/7,660,411.20 = 1,464,348.72/x
  3. Step 3: Cross multiply
    5,108,421.40x = 7,660,411.20 × 1,464,348.72
  4. Step 4: Simplify right side
    5,108,421.40x = 11,217,513,335,393.66
  5. Step 5: Solve for x
    x = 11,217,513,335,393.66/5,108,421.40
  6. Step 6: Final answer
    x = 2,195,886.45

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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.