Home / 2,930,490.05-4,399,761.44-1,492,139.76

Finding the Fourth Proportional to 2,930,490.05, 4,399,761.44 and 1,492,139.76

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Solution

The fourth proportional to 2,930,490.05, 4,399,761.44 and 1,492,139.76 is: 2,240,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,490.05 : 4,399,761.44 = 1,492,139.76 : x
  2. Step 2: Convert to fraction form
    2,930,490.05/4,399,761.44 = 1,492,139.76/x
  3. Step 3: Cross multiply
    2,930,490.05x = 4,399,761.44 × 1,492,139.76
  4. Step 4: Simplify right side
    2,930,490.05x = 6,565,058,971,678.16
  5. Step 5: Solve for x
    x = 6,565,058,971,678.16/2,930,490.05
  6. Step 6: Final answer
    x = 2,240,259.78

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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.