Home / 2,137,145.60-3,205,718.40-874,553.60

Finding the Fourth Proportional to 2,137,145.60, 3,205,718.40 and 874,553.60

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Solution

The fourth proportional to 2,137,145.60, 3,205,718.40 and 874,553.60 is: 1,311,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,145.60 : 3,205,718.40 = 874,553.60 : x
  2. Step 2: Convert to fraction form
    2,137,145.60/3,205,718.40 = 874,553.60/x
  3. Step 3: Cross multiply
    2,137,145.60x = 3,205,718.40 × 874,553.60
  4. Step 4: Simplify right side
    2,137,145.60x = 2,803,572,567,306.24
  5. Step 5: Solve for x
    x = 2,803,572,567,306.24/2,137,145.60
  6. Step 6: Final answer
    x = 1,311,830.40

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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.