Home / 5,388,085.97-8,075,111.40-2,189,472.71

Finding the Fourth Proportional to 5,388,085.97, 8,075,111.40 and 2,189,472.71

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Solution

The fourth proportional to 5,388,085.97, 8,075,111.40 and 2,189,472.71 is: 3,281,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,085.97 : 8,075,111.40 = 2,189,472.71 : x
  2. Step 2: Convert to fraction form
    5,388,085.97/8,075,111.40 = 2,189,472.71/x
  3. Step 3: Cross multiply
    5,388,085.97x = 8,075,111.40 × 2,189,472.71
  4. Step 4: Simplify right side
    5,388,085.97x = 17,680,236,070,386.29
  5. Step 5: Solve for x
    x = 17,680,236,070,386.29/5,388,085.97
  6. Step 6: Final answer
    x = 3,281,357.46

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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.