Home / 2,517,089.40-3,775,461.30-811,207.80

Finding the Fourth Proportional to 2,517,089.40, 3,775,461.30 and 811,207.80

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Solution

The fourth proportional to 2,517,089.40, 3,775,461.30 and 811,207.80 is: 1,216,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,089.40 : 3,775,461.30 = 811,207.80 : x
  2. Step 2: Convert to fraction form
    2,517,089.40/3,775,461.30 = 811,207.80/x
  3. Step 3: Cross multiply
    2,517,089.40x = 3,775,461.30 × 811,207.80
  4. Step 4: Simplify right side
    2,517,089.40x = 3,062,683,655,158.14
  5. Step 5: Solve for x
    x = 3,062,683,655,158.14/2,517,089.40
  6. Step 6: Final answer
    x = 1,216,756.01

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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.