Home / 5,501,638.20-8,253,623.70-1,663,145.40

Finding the Fourth Proportional to 5,501,638.20, 8,253,623.70 and 1,663,145.40

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Solution

The fourth proportional to 5,501,638.20, 8,253,623.70 and 1,663,145.40 is: 2,495,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501,638.20 : 8,253,623.70 = 1,663,145.40 : x
  2. Step 2: Convert to fraction form
    5,501,638.20/8,253,623.70 = 1,663,145.40/x
  3. Step 3: Cross multiply
    5,501,638.20x = 8,253,623.70 × 1,663,145.40
  4. Step 4: Simplify right side
    5,501,638.20x = 13,726,976,289,985.98
  5. Step 5: Solve for x
    x = 13,726,976,289,985.98/5,501,638.20
  6. Step 6: Final answer
    x = 2,495,070.70

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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.