Home / 2,537,638.74-3,806,820-831,417.30

Finding the Fourth Proportional to 2,537,638.74, 3,806,820 and 831,417.30

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Solution

The fourth proportional to 2,537,638.74, 3,806,820 and 831,417.30 is: 1,247,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537,638.74 : 3,806,820 = 831,417.30 : x
  2. Step 2: Convert to fraction form
    2,537,638.74/3,806,820 = 831,417.30/x
  3. Step 3: Cross multiply
    2,537,638.74x = 3,806,820 × 831,417.30
  4. Step 4: Simplify right side
    2,537,638.74x = 3,165,056,005,986
  5. Step 5: Solve for x
    x = 3,165,056,005,986/2,537,638.74
  6. Step 6: Final answer
    x = 1,247,244.52

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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.