Home / 2,805,413.57-3,871,393.40-1,581,708.48

Finding the Fourth Proportional to 2,805,413.57, 3,871,393.40 and 1,581,708.48

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Solution

The fourth proportional to 2,805,413.57, 3,871,393.40 and 1,581,708.48 is: 2,182,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,413.57 : 3,871,393.40 = 1,581,708.48 : x
  2. Step 2: Convert to fraction form
    2,805,413.57/3,871,393.40 = 1,581,708.48/x
  3. Step 3: Cross multiply
    2,805,413.57x = 3,871,393.40 × 1,581,708.48
  4. Step 4: Simplify right side
    2,805,413.57x = 6,123,415,754,793.34
  5. Step 5: Solve for x
    x = 6,123,415,754,793.34/2,805,413.57
  6. Step 6: Final answer
    x = 2,182,714.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.