Home / 2,586,267.80-3,569,160.32-1,440,348.20

Finding the Fourth Proportional to 2,586,267.80, 3,569,160.32 and 1,440,348.20

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Solution

The fourth proportional to 2,586,267.80, 3,569,160.32 and 1,440,348.20 is: 1,987,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,267.80 : 3,569,160.32 = 1,440,348.20 : x
  2. Step 2: Convert to fraction form
    2,586,267.80/3,569,160.32 = 1,440,348.20/x
  3. Step 3: Cross multiply
    2,586,267.80x = 3,569,160.32 × 1,440,348.20
  4. Step 4: Simplify right side
    2,586,267.80x = 5,140,833,642,423.42
  5. Step 5: Solve for x
    x = 5,140,833,642,423.42/2,586,267.80
  6. Step 6: Final answer
    x = 1,987,742.20

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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.