Home / 7,121,036.46-10,681,554.84-1,729,650.57

Finding the Fourth Proportional to 7,121,036.46, 10,681,554.84 and 1,729,650.57

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Solution

The fourth proportional to 7,121,036.46, 10,681,554.84 and 1,729,650.57 is: 2,594,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,036.46 : 10,681,554.84 = 1,729,650.57 : x
  2. Step 2: Convert to fraction form
    7,121,036.46/10,681,554.84 = 1,729,650.57/x
  3. Step 3: Cross multiply
    7,121,036.46x = 10,681,554.84 × 1,729,650.57
  4. Step 4: Simplify right side
    7,121,036.46x = 18,475,357,417,492.26
  5. Step 5: Solve for x
    x = 18,475,357,417,492.26/7,121,036.46
  6. Step 6: Final answer
    x = 2,594,475.89

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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.