Home / 5,328,047.70-7,985,510.55-3,622,187.70

Finding the Fourth Proportional to 5,328,047.70, 7,985,510.55 and 3,622,187.70

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Solution

The fourth proportional to 5,328,047.70, 7,985,510.55 and 3,622,187.70 is: 5,428,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,047.70 : 7,985,510.55 = 3,622,187.70 : x
  2. Step 2: Convert to fraction form
    5,328,047.70/7,985,510.55 = 3,622,187.70/x
  3. Step 3: Cross multiply
    5,328,047.70x = 7,985,510.55 × 3,622,187.70
  4. Step 4: Simplify right side
    5,328,047.70x = 28,925,018,092,430.23
  5. Step 5: Solve for x
    x = 28,925,018,092,430.23/5,328,047.70
  6. Step 6: Final answer
    x = 5,428,821.16

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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.