Home / 2,175,810.40-3,264,406.80-977,269.60

Finding the Fourth Proportional to 2,175,810.40, 3,264,406.80 and 977,269.60

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Solution

The fourth proportional to 2,175,810.40, 3,264,406.80 and 977,269.60 is: 1,466,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,810.40 : 3,264,406.80 = 977,269.60 : x
  2. Step 2: Convert to fraction form
    2,175,810.40/3,264,406.80 = 977,269.60/x
  3. Step 3: Cross multiply
    2,175,810.40x = 3,264,406.80 × 977,269.60
  4. Step 4: Simplify right side
    2,175,810.40x = 3,190,205,527,673.28
  5. Step 5: Solve for x
    x = 3,190,205,527,673.28/2,175,810.40
  6. Step 6: Final answer
    x = 1,466,214.85

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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.