Home / 4,720,191.35-7,078,335.12-1,480,648.46

Finding the Fourth Proportional to 4,720,191.35, 7,078,335.12 and 1,480,648.46

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Solution

The fourth proportional to 4,720,191.35, 7,078,335.12 and 1,480,648.46 is: 2,220,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720,191.35 : 7,078,335.12 = 1,480,648.46 : x
  2. Step 2: Convert to fraction form
    4,720,191.35/7,078,335.12 = 1,480,648.46/x
  3. Step 3: Cross multiply
    4,720,191.35x = 7,078,335.12 × 1,480,648.46
  4. Step 4: Simplify right side
    4,720,191.35x = 10,480,525,959,400.24
  5. Step 5: Solve for x
    x = 10,480,525,959,400.24/4,720,191.35
  6. Step 6: Final answer
    x = 2,220,360.40

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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.