Home / 1,318,407.44-1,987,492.90-1,230,522.14

Finding the Fourth Proportional to 1,318,407.44, 1,987,492.90 and 1,230,522.14

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Solution

The fourth proportional to 1,318,407.44, 1,987,492.90 and 1,230,522.14 is: 1,855,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,407.44 : 1,987,492.90 = 1,230,522.14 : x
  2. Step 2: Convert to fraction form
    1,318,407.44/1,987,492.90 = 1,230,522.14/x
  3. Step 3: Cross multiply
    1,318,407.44x = 1,987,492.90 × 1,230,522.14
  4. Step 4: Simplify right side
    1,318,407.44x = 2,445,654,013,355.47
  5. Step 5: Solve for x
    x = 2,445,654,013,355.47/1,318,407.44
  6. Step 6: Final answer
    x = 1,855,006.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.