Home / 2,042,431.20-2,818,631.52-1,124,700.12

Finding the Fourth Proportional to 2,042,431.20, 2,818,631.52 and 1,124,700.12

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Solution

The fourth proportional to 2,042,431.20, 2,818,631.52 and 1,124,700.12 is: 1,552,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,431.20 : 2,818,631.52 = 1,124,700.12 : x
  2. Step 2: Convert to fraction form
    2,042,431.20/2,818,631.52 = 1,124,700.12/x
  3. Step 3: Cross multiply
    2,042,431.20x = 2,818,631.52 × 1,124,700.12
  4. Step 4: Simplify right side
    2,042,431.20x = 3,170,115,208,779.78
  5. Step 5: Solve for x
    x = 3,170,115,208,779.78/2,042,431.20
  6. Step 6: Final answer
    x = 1,552,128.27

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1.5x scale

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.