Home / 2,257,217.04-3,114,957.84-1,290,368.64

Finding the Fourth Proportional to 2,257,217.04, 3,114,957.84 and 1,290,368.64

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Solution

The fourth proportional to 2,257,217.04, 3,114,957.84 and 1,290,368.64 is: 1,780,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,217.04 : 3,114,957.84 = 1,290,368.64 : x
  2. Step 2: Convert to fraction form
    2,257,217.04/3,114,957.84 = 1,290,368.64/x
  3. Step 3: Cross multiply
    2,257,217.04x = 3,114,957.84 × 1,290,368.64
  4. Step 4: Simplify right side
    2,257,217.04x = 4,019,443,911,658.14
  5. Step 5: Solve for x
    x = 4,019,443,911,658.14/2,257,217.04
  6. Step 6: Final answer
    x = 1,780,707.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.