Home / 2,118,938.17-3,158,446.14-1,948,877.05

Finding the Fourth Proportional to 2,118,938.17, 3,158,446.14 and 1,948,877.05

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Solution

The fourth proportional to 2,118,938.17, 3,158,446.14 and 1,948,877.05 is: 2,904,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,938.17 : 3,158,446.14 = 1,948,877.05 : x
  2. Step 2: Convert to fraction form
    2,118,938.17/3,158,446.14 = 1,948,877.05/x
  3. Step 3: Cross multiply
    2,118,938.17x = 3,158,446.14 × 1,948,877.05
  4. Step 4: Simplify right side
    2,118,938.17x = 6,155,423,195,907.09
  5. Step 5: Solve for x
    x = 6,155,423,195,907.09/2,118,938.17
  6. Step 6: Final answer
    x = 2,904,956.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.