Home / 3,258,983.80-4,888,475.70-3,120,765.40

Finding the Fourth Proportional to 3,258,983.80, 4,888,475.70 and 3,120,765.40

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Solution

The fourth proportional to 3,258,983.80, 4,888,475.70 and 3,120,765.40 is: 4,681,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,983.80 : 4,888,475.70 = 3,120,765.40 : x
  2. Step 2: Convert to fraction form
    3,258,983.80/4,888,475.70 = 3,120,765.40/x
  3. Step 3: Cross multiply
    3,258,983.80x = 4,888,475.70 × 3,120,765.40
  4. Step 4: Simplify right side
    3,258,983.80x = 15,255,785,823,300.78
  5. Step 5: Solve for x
    x = 15,255,785,823,300.78/3,258,983.80
  6. Step 6: Final answer
    x = 4,681,148.10

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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.