Home / 2,172,970.80-3,257,123.40-824,612.40

Finding the Fourth Proportional to 2,172,970.80, 3,257,123.40 and 824,612.40

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Solution

The fourth proportional to 2,172,970.80, 3,257,123.40 and 824,612.40 is: 1,236,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,970.80 : 3,257,123.40 = 824,612.40 : x
  2. Step 2: Convert to fraction form
    2,172,970.80/3,257,123.40 = 824,612.40/x
  3. Step 3: Cross multiply
    2,172,970.80x = 3,257,123.40 × 824,612.40
  4. Step 4: Simplify right side
    2,172,970.80x = 2,685,864,343,970.16
  5. Step 5: Solve for x
    x = 2,685,864,343,970.16/2,172,970.80
  6. Step 6: Final answer
    x = 1,236,033.33

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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.