Home / 1,658,016.60-2,488,337.10-647,622.60

Finding the Fourth Proportional to 1,658,016.60, 2,488,337.10 and 647,622.60

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Solution

The fourth proportional to 1,658,016.60, 2,488,337.10 and 647,622.60 is: 971,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,016.60 : 2,488,337.10 = 647,622.60 : x
  2. Step 2: Convert to fraction form
    1,658,016.60/2,488,337.10 = 647,622.60/x
  3. Step 3: Cross multiply
    1,658,016.60x = 2,488,337.10 × 647,622.60
  4. Step 4: Simplify right side
    1,658,016.60x = 1,611,503,342,378.46
  5. Step 5: Solve for x
    x = 1,611,503,342,378.46/1,658,016.60
  6. Step 6: Final answer
    x = 971,946.45

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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.