Home / 2,875,215.40-4,312,823.10-880,412.20

Finding the Fourth Proportional to 2,875,215.40, 4,312,823.10 and 880,412.20

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Solution

The fourth proportional to 2,875,215.40, 4,312,823.10 and 880,412.20 is: 1,320,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,215.40 : 4,312,823.10 = 880,412.20 : x
  2. Step 2: Convert to fraction form
    2,875,215.40/4,312,823.10 = 880,412.20/x
  3. Step 3: Cross multiply
    2,875,215.40x = 4,312,823.10 × 880,412.20
  4. Step 4: Simplify right side
    2,875,215.40x = 3,797,062,073,681.82
  5. Step 5: Solve for x
    x = 3,797,062,073,681.82/2,875,215.40
  6. Step 6: Final answer
    x = 1,320,618.30

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Similar ratio
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1.5x scale

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.