Home / 2,127,825.13-3,191,501.19-761,543.66

Finding the Fourth Proportional to 2,127,825.13, 3,191,501.19 and 761,543.66

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Solution

The fourth proportional to 2,127,825.13, 3,191,501.19 and 761,543.66 is: 1,142,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,825.13 : 3,191,501.19 = 761,543.66 : x
  2. Step 2: Convert to fraction form
    2,127,825.13/3,191,501.19 = 761,543.66/x
  3. Step 3: Cross multiply
    2,127,825.13x = 3,191,501.19 × 761,543.66
  4. Step 4: Simplify right side
    2,127,825.13x = 2,430,467,502,938.01
  5. Step 5: Solve for x
    x = 2,430,467,502,938.01/2,127,825.13
  6. Step 6: Final answer
    x = 1,142,230.85

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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.