Home / 2,586,137.32-3,875,182.54-987,828.04

Finding the Fourth Proportional to 2,586,137.32, 3,875,182.54 and 987,828.04

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Solution

The fourth proportional to 2,586,137.32, 3,875,182.54 and 987,828.04 is: 1,480,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,137.32 : 3,875,182.54 = 987,828.04 : x
  2. Step 2: Convert to fraction form
    2,586,137.32/3,875,182.54 = 987,828.04/x
  3. Step 3: Cross multiply
    2,586,137.32x = 3,875,182.54 × 987,828.04
  4. Step 4: Simplify right side
    2,586,137.32x = 3,828,013,973,130.42
  5. Step 5: Solve for x
    x = 3,828,013,973,130.42/2,586,137.32
  6. Step 6: Final answer
    x = 1,480,205.22

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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.