Home / 4,871,427.30-7,307,140.95-1,277,187.30

Finding the Fourth Proportional to 4,871,427.30, 7,307,140.95 and 1,277,187.30

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Solution

The fourth proportional to 4,871,427.30, 7,307,140.95 and 1,277,187.30 is: 1,915,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,427.30 : 7,307,140.95 = 1,277,187.30 : x
  2. Step 2: Convert to fraction form
    4,871,427.30/7,307,140.95 = 1,277,187.30/x
  3. Step 3: Cross multiply
    4,871,427.30x = 7,307,140.95 × 1,277,187.30
  4. Step 4: Simplify right side
    4,871,427.30x = 9,332,587,620,649.94
  5. Step 5: Solve for x
    x = 9,332,587,620,649.94/4,871,427.30
  6. Step 6: Final answer
    x = 1,915,780.95

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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.