Home / 5,128,145.16-7,077,054.30-2,952,634.20

Finding the Fourth Proportional to 5,128,145.16, 7,077,054.30 and 2,952,634.20

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Solution

The fourth proportional to 5,128,145.16, 7,077,054.30 and 2,952,634.20 is: 4,074,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,145.16 : 7,077,054.30 = 2,952,634.20 : x
  2. Step 2: Convert to fraction form
    5,128,145.16/7,077,054.30 = 2,952,634.20/x
  3. Step 3: Cross multiply
    5,128,145.16x = 7,077,054.30 × 2,952,634.20
  4. Step 4: Simplify right side
    5,128,145.16x = 20,895,952,561,437.06
  5. Step 5: Solve for x
    x = 20,895,952,561,437.06/5,128,145.16
  6. Step 6: Final answer
    x = 4,074,758.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.