Home / 1,547,860.72-2,135,930.61-868,666

Finding the Fourth Proportional to 1,547,860.72, 2,135,930.61 and 868,666

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Solution

The fourth proportional to 1,547,860.72, 2,135,930.61 and 868,666 is: 1,198,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,860.72 : 2,135,930.61 = 868,666 : x
  2. Step 2: Convert to fraction form
    1,547,860.72/2,135,930.61 = 868,666/x
  3. Step 3: Cross multiply
    1,547,860.72x = 2,135,930.61 × 868,666
  4. Step 4: Simplify right side
    1,547,860.72x = 1,855,410,299,266.26
  5. Step 5: Solve for x
    x = 1,855,410,299,266.26/1,547,860.72
  6. Step 6: Final answer
    x = 1,198,693.32

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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.