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Finding the Fourth Proportional to 2,916,602.10, 4,374,903.15 and 1,635,894.90

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Solution

The fourth proportional to 2,916,602.10, 4,374,903.15 and 1,635,894.90 is: 2,453,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,602.10 : 4,374,903.15 = 1,635,894.90 : x
  2. Step 2: Convert to fraction form
    2,916,602.10/4,374,903.15 = 1,635,894.90/x
  3. Step 3: Cross multiply
    2,916,602.10x = 4,374,903.15 × 1,635,894.90
  4. Step 4: Simplify right side
    2,916,602.10x = 7,156,881,751,078.94
  5. Step 5: Solve for x
    x = 7,156,881,751,078.94/2,916,602.10
  6. Step 6: Final answer
    x = 2,453,842.35

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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.