Home / 2,842,215.30-4,263,322.95-1,643,520.60

Finding the Fourth Proportional to 2,842,215.30, 4,263,322.95 and 1,643,520.60

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Solution

The fourth proportional to 2,842,215.30, 4,263,322.95 and 1,643,520.60 is: 2,465,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,215.30 : 4,263,322.95 = 1,643,520.60 : x
  2. Step 2: Convert to fraction form
    2,842,215.30/4,263,322.95 = 1,643,520.60/x
  3. Step 3: Cross multiply
    2,842,215.30x = 4,263,322.95 × 1,643,520.60
  4. Step 4: Simplify right side
    2,842,215.30x = 7,006,859,092,777.77
  5. Step 5: Solve for x
    x = 7,006,859,092,777.77/2,842,215.30
  6. Step 6: Final answer
    x = 2,465,280.90

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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.