Home / 5,105,114.70-7,657,672.05-2,585,690.70

Finding the Fourth Proportional to 5,105,114.70, 7,657,672.05 and 2,585,690.70

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Solution

The fourth proportional to 5,105,114.70, 7,657,672.05 and 2,585,690.70 is: 3,878,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,114.70 : 7,657,672.05 = 2,585,690.70 : x
  2. Step 2: Convert to fraction form
    5,105,114.70/7,657,672.05 = 2,585,690.70/x
  3. Step 3: Cross multiply
    5,105,114.70x = 7,657,672.05 × 2,585,690.70
  4. Step 4: Simplify right side
    5,105,114.70x = 19,800,371,403,334.94
  5. Step 5: Solve for x
    x = 19,800,371,403,334.94/5,105,114.70
  6. Step 6: Final answer
    x = 3,878,536.05

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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.