Home / 2,586,621.76-3,569,648.80-1,440,702.40

Finding the Fourth Proportional to 2,586,621.76, 3,569,648.80 and 1,440,702.40

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Solution

The fourth proportional to 2,586,621.76, 3,569,648.80 and 1,440,702.40 is: 1,988,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,621.76 : 3,569,648.80 = 1,440,702.40 : x
  2. Step 2: Convert to fraction form
    2,586,621.76/3,569,648.80 = 1,440,702.40/x
  3. Step 3: Cross multiply
    2,586,621.76x = 3,569,648.80 × 1,440,702.40
  4. Step 4: Simplify right side
    2,586,621.76x = 5,142,801,593,317.12
  5. Step 5: Solve for x
    x = 5,142,801,593,317.12/2,586,621.76
  6. Step 6: Final answer
    x = 1,988,231.01

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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.