Home / 1,547,814.30-2,321,721.45-1,465,145.70

Finding the Fourth Proportional to 1,547,814.30, 2,321,721.45 and 1,465,145.70

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Solution

The fourth proportional to 1,547,814.30, 2,321,721.45 and 1,465,145.70 is: 2,197,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,814.30 : 2,321,721.45 = 1,465,145.70 : x
  2. Step 2: Convert to fraction form
    1,547,814.30/2,321,721.45 = 1,465,145.70/x
  3. Step 3: Cross multiply
    1,547,814.30x = 2,321,721.45 × 1,465,145.70
  4. Step 4: Simplify right side
    1,547,814.30x = 3,401,660,199,065.27
  5. Step 5: Solve for x
    x = 3,401,660,199,065.27/1,547,814.30
  6. Step 6: Final answer
    x = 2,197,718.55

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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.