Home / 2,590,139.40-3,885,209.10-817,211.40

Finding the Fourth Proportional to 2,590,139.40, 3,885,209.10 and 817,211.40

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Solution

The fourth proportional to 2,590,139.40, 3,885,209.10 and 817,211.40 is: 1,225,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,139.40 : 3,885,209.10 = 817,211.40 : x
  2. Step 2: Convert to fraction form
    2,590,139.40/3,885,209.10 = 817,211.40/x
  3. Step 3: Cross multiply
    2,590,139.40x = 3,885,209.10 × 817,211.40
  4. Step 4: Simplify right side
    2,590,139.40x = 3,175,037,167,903.74
  5. Step 5: Solve for x
    x = 3,175,037,167,903.74/2,590,139.40
  6. Step 6: Final answer
    x = 1,225,817.10

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Similar ratio
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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.