Home / 2,590,283.38-3,574,617.14-1,428,779.30

Finding the Fourth Proportional to 2,590,283.38, 3,574,617.14 and 1,428,779.30

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Solution

The fourth proportional to 2,590,283.38, 3,574,617.14 and 1,428,779.30 is: 1,971,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,283.38 : 3,574,617.14 = 1,428,779.30 : x
  2. Step 2: Convert to fraction form
    2,590,283.38/3,574,617.14 = 1,428,779.30/x
  3. Step 3: Cross multiply
    2,590,283.38x = 3,574,617.14 × 1,428,779.30
  4. Step 4: Simplify right side
    2,590,283.38x = 5,107,338,975,057.20
  5. Step 5: Solve for x
    x = 5,107,338,975,057.20/2,590,283.38
  6. Step 6: Final answer
    x = 1,971,729.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.