Home / 2,170,384-2,995,129.92-1,216,528

Finding the Fourth Proportional to 2,170,384, 2,995,129.92 and 1,216,528

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Solution

The fourth proportional to 2,170,384, 2,995,129.92 and 1,216,528 is: 1,678,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,384 : 2,995,129.92 = 1,216,528 : x
  2. Step 2: Convert to fraction form
    2,170,384/2,995,129.92 = 1,216,528/x
  3. Step 3: Cross multiply
    2,170,384x = 2,995,129.92 × 1,216,528
  4. Step 4: Simplify right side
    2,170,384x = 3,643,659,411,317.76
  5. Step 5: Solve for x
    x = 3,643,659,411,317.76/2,170,384
  6. Step 6: Final answer
    x = 1,678,808.64

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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.