Home / 2,679,207.40-4,018,811.10-1,828,901.80

Finding the Fourth Proportional to 2,679,207.40, 4,018,811.10 and 1,828,901.80

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Solution

The fourth proportional to 2,679,207.40, 4,018,811.10 and 1,828,901.80 is: 2,743,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,207.40 : 4,018,811.10 = 1,828,901.80 : x
  2. Step 2: Convert to fraction form
    2,679,207.40/4,018,811.10 = 1,828,901.80/x
  3. Step 3: Cross multiply
    2,679,207.40x = 4,018,811.10 × 1,828,901.80
  4. Step 4: Simplify right side
    2,679,207.40x = 7,350,010,854,649.98
  5. Step 5: Solve for x
    x = 7,350,010,854,649.98/2,679,207.40
  6. Step 6: Final answer
    x = 2,743,352.70

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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.