Home / 2,187,555.40-3,281,333.10-2,103,574.60

Finding the Fourth Proportional to 2,187,555.40, 3,281,333.10 and 2,103,574.60

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Solution

The fourth proportional to 2,187,555.40, 3,281,333.10 and 2,103,574.60 is: 3,155,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,555.40 : 3,281,333.10 = 2,103,574.60 : x
  2. Step 2: Convert to fraction form
    2,187,555.40/3,281,333.10 = 2,103,574.60/x
  3. Step 3: Cross multiply
    2,187,555.40x = 3,281,333.10 × 2,103,574.60
  4. Step 4: Simplify right side
    2,187,555.40x = 6,902,528,963,299.26
  5. Step 5: Solve for x
    x = 6,902,528,963,299.26/2,187,555.40
  6. Step 6: Final answer
    x = 3,155,361.90

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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.