Home / 1,926,341.32-2,889,702.06-664,002.76

Finding the Fourth Proportional to 1,926,341.32, 2,889,702.06 and 664,002.76

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Solution

The fourth proportional to 1,926,341.32, 2,889,702.06 and 664,002.76 is: 996,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,341.32 : 2,889,702.06 = 664,002.76 : x
  2. Step 2: Convert to fraction form
    1,926,341.32/2,889,702.06 = 664,002.76/x
  3. Step 3: Cross multiply
    1,926,341.32x = 2,889,702.06 × 664,002.76
  4. Step 4: Simplify right side
    1,926,341.32x = 1,918,770,143,417.69
  5. Step 5: Solve for x
    x = 1,918,770,143,417.69/1,926,341.32
  6. Step 6: Final answer
    x = 996,069.66

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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.