Home / 2,085,882.39-2,878,809.36-1,506,979.05

Finding the Fourth Proportional to 2,085,882.39, 2,878,809.36 and 1,506,979.05

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Solution

The fourth proportional to 2,085,882.39, 2,878,809.36 and 1,506,979.05 is: 2,079,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,882.39 : 2,878,809.36 = 1,506,979.05 : x
  2. Step 2: Convert to fraction form
    2,085,882.39/2,878,809.36 = 1,506,979.05/x
  3. Step 3: Cross multiply
    2,085,882.39x = 2,878,809.36 × 1,506,979.05
  4. Step 4: Simplify right side
    2,085,882.39x = 4,338,305,394,463.91
  5. Step 5: Solve for x
    x = 4,338,305,394,463.91/2,085,882.39
  6. Step 6: Final answer
    x = 2,079,841.80

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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.