Home / 1,928,815.14-2,887,547.06-1,287,528.24

Finding the Fourth Proportional to 1,928,815.14, 2,887,547.06 and 1,287,528.24

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Solution

The fourth proportional to 1,928,815.14, 2,887,547.06 and 1,287,528.24 is: 1,927,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,815.14 : 2,887,547.06 = 1,287,528.24 : x
  2. Step 2: Convert to fraction form
    1,928,815.14/2,887,547.06 = 1,287,528.24/x
  3. Step 3: Cross multiply
    1,928,815.14x = 2,887,547.06 × 1,287,528.24
  4. Step 4: Simplify right side
    1,928,815.14x = 3,717,798,377,641.33
  5. Step 5: Solve for x
    x = 3,717,798,377,641.33/1,928,815.14
  6. Step 6: Final answer
    x = 1,927,503.73

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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.