Home / 4,320,087.20-6,480,130.80-3,130,359.20

Finding the Fourth Proportional to 4,320,087.20, 6,480,130.80 and 3,130,359.20

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Solution

The fourth proportional to 4,320,087.20, 6,480,130.80 and 3,130,359.20 is: 4,695,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,087.20 : 6,480,130.80 = 3,130,359.20 : x
  2. Step 2: Convert to fraction form
    4,320,087.20/6,480,130.80 = 3,130,359.20/x
  3. Step 3: Cross multiply
    4,320,087.20x = 6,480,130.80 × 3,130,359.20
  4. Step 4: Simplify right side
    4,320,087.20x = 20,285,137,066,983.36
  5. Step 5: Solve for x
    x = 20,285,137,066,983.36/4,320,087.20
  6. Step 6: Final answer
    x = 4,695,538.80

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1.5x scale

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.