Home / 2,075,432.20-3,111,420.30-878,273.80

Finding the Fourth Proportional to 2,075,432.20, 3,111,420.30 and 878,273.80

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Solution

The fourth proportional to 2,075,432.20, 3,111,420.30 and 878,273.80 is: 1,316,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,432.20 : 3,111,420.30 = 878,273.80 : x
  2. Step 2: Convert to fraction form
    2,075,432.20/3,111,420.30 = 878,273.80/x
  3. Step 3: Cross multiply
    2,075,432.20x = 3,111,420.30 × 878,273.80
  4. Step 4: Simplify right side
    2,075,432.20x = 2,732,678,930,278.14
  5. Step 5: Solve for x
    x = 2,732,678,930,278.14/2,075,432.20
  6. Step 6: Final answer
    x = 1,316,679.45

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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.