Home / 2,871,010.40-4,304,069.40-1,272,702.20

Finding the Fourth Proportional to 2,871,010.40, 4,304,069.40 and 1,272,702.20

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Solution

The fourth proportional to 2,871,010.40, 4,304,069.40 and 1,272,702.20 is: 1,907,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,010.40 : 4,304,069.40 = 1,272,702.20 : x
  2. Step 2: Convert to fraction form
    2,871,010.40/4,304,069.40 = 1,272,702.20/x
  3. Step 3: Cross multiply
    2,871,010.40x = 4,304,069.40 × 1,272,702.20
  4. Step 4: Simplify right side
    2,871,010.40x = 5,477,798,594,332.68
  5. Step 5: Solve for x
    x = 5,477,798,594,332.68/2,871,010.40
  6. Step 6: Final answer
    x = 1,907,968.91

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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.