Home / 5,131,970.88-7,699,665.96-1,720,595.04

Finding the Fourth Proportional to 5,131,970.88, 7,699,665.96 and 1,720,595.04

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Solution

The fourth proportional to 5,131,970.88, 7,699,665.96 and 1,720,595.04 is: 2,581,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,970.88 : 7,699,665.96 = 1,720,595.04 : x
  2. Step 2: Convert to fraction form
    5,131,970.88/7,699,665.96 = 1,720,595.04/x
  3. Step 3: Cross multiply
    5,131,970.88x = 7,699,665.96 × 1,720,595.04
  4. Step 4: Simplify right side
    5,131,970.88x = 13,248,007,060,432.84
  5. Step 5: Solve for x
    x = 13,248,007,060,432.84/5,131,970.88
  6. Step 6: Final answer
    x = 2,581,465.75

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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.