Home / 1,903,086.89-2,626,017.92-1,087,343.42

Finding the Fourth Proportional to 1,903,086.89, 2,626,017.92 and 1,087,343.42

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Solution

The fourth proportional to 1,903,086.89, 2,626,017.92 and 1,087,343.42 is: 1,500,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,086.89 : 2,626,017.92 = 1,087,343.42 : x
  2. Step 2: Convert to fraction form
    1,903,086.89/2,626,017.92 = 1,087,343.42/x
  3. Step 3: Cross multiply
    1,903,086.89x = 2,626,017.92 × 1,087,343.42
  4. Step 4: Simplify right side
    1,903,086.89x = 2,855,383,287,547.28
  5. Step 5: Solve for x
    x = 2,855,383,287,547.28/1,903,086.89
  6. Step 6: Final answer
    x = 1,500,395.65

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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.