Home / 3,421,894.47-5,132,187.65-1,025,739.36

Finding the Fourth Proportional to 3,421,894.47, 5,132,187.65 and 1,025,739.36

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Solution

The fourth proportional to 3,421,894.47, 5,132,187.65 and 1,025,739.36 is: 1,538,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,894.47 : 5,132,187.65 = 1,025,739.36 : x
  2. Step 2: Convert to fraction form
    3,421,894.47/5,132,187.65 = 1,025,739.36/x
  3. Step 3: Cross multiply
    3,421,894.47x = 5,132,187.65 × 1,025,739.36
  4. Step 4: Simplify right side
    3,421,894.47x = 5,264,286,870,382.21
  5. Step 5: Solve for x
    x = 5,264,286,870,382.21/3,421,894.47
  6. Step 6: Final answer
    x = 1,538,412.98

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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.