Home / 2,087,802.70-3,131,704.05-1,024,920.70

Finding the Fourth Proportional to 2,087,802.70, 3,131,704.05 and 1,024,920.70

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Solution

The fourth proportional to 2,087,802.70, 3,131,704.05 and 1,024,920.70 is: 1,537,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,802.70 : 3,131,704.05 = 1,024,920.70 : x
  2. Step 2: Convert to fraction form
    2,087,802.70/3,131,704.05 = 1,024,920.70/x
  3. Step 3: Cross multiply
    2,087,802.70x = 3,131,704.05 × 1,024,920.70
  4. Step 4: Simplify right side
    2,087,802.70x = 3,209,748,307,118.83
  5. Step 5: Solve for x
    x = 3,209,748,307,118.83/2,087,802.70
  6. Step 6: Final answer
    x = 1,537,381.05

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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.