Home / 2,172,973.80-3,257,127.90-824,615.40

Finding the Fourth Proportional to 2,172,973.80, 3,257,127.90 and 824,615.40

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Solution

The fourth proportional to 2,172,973.80, 3,257,127.90 and 824,615.40 is: 1,236,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,973.80 : 3,257,127.90 = 824,615.40 : x
  2. Step 2: Convert to fraction form
    2,172,973.80/3,257,127.90 = 824,615.40/x
  3. Step 3: Cross multiply
    2,172,973.80x = 3,257,127.90 × 824,615.40
  4. Step 4: Simplify right side
    2,172,973.80x = 2,685,877,826,109.66
  5. Step 5: Solve for x
    x = 2,685,877,826,109.66/2,172,973.80
  6. Step 6: Final answer
    x = 1,236,037.83

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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.