Home / 7,117,959.20-10,676,938.80-1,799,175.20

Finding the Fourth Proportional to 7,117,959.20, 10,676,938.80 and 1,799,175.20

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Solution

The fourth proportional to 7,117,959.20, 10,676,938.80 and 1,799,175.20 is: 2,698,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,959.20 : 10,676,938.80 = 1,799,175.20 : x
  2. Step 2: Convert to fraction form
    7,117,959.20/10,676,938.80 = 1,799,175.20/x
  3. Step 3: Cross multiply
    7,117,959.20x = 10,676,938.80 × 1,799,175.20
  4. Step 4: Simplify right side
    7,117,959.20x = 19,209,683,500,877.76
  5. Step 5: Solve for x
    x = 19,209,683,500,877.76/7,117,959.20
  6. Step 6: Final answer
    x = 2,698,762.80

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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.