Home / 2,172,905.80-3,257,025.90-824,547.40

Finding the Fourth Proportional to 2,172,905.80, 3,257,025.90 and 824,547.40

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Solution

The fourth proportional to 2,172,905.80, 3,257,025.90 and 824,547.40 is: 1,235,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,905.80 : 3,257,025.90 = 824,547.40 : x
  2. Step 2: Convert to fraction form
    2,172,905.80/3,257,025.90 = 824,547.40/x
  3. Step 3: Cross multiply
    2,172,905.80x = 3,257,025.90 × 824,547.40
  4. Step 4: Simplify right side
    2,172,905.80x = 2,685,572,237,577.66
  5. Step 5: Solve for x
    x = 2,685,572,237,577.66/2,172,905.80
  6. Step 6: Final answer
    x = 1,235,935.88

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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.