Home / 2,415,228.40-3,618,695.40-1,276,303.60

Finding the Fourth Proportional to 2,415,228.40, 3,618,695.40 and 1,276,303.60

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Solution

The fourth proportional to 2,415,228.40, 3,618,695.40 and 1,276,303.60 is: 1,912,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,228.40 : 3,618,695.40 = 1,276,303.60 : x
  2. Step 2: Convert to fraction form
    2,415,228.40/3,618,695.40 = 1,276,303.60/x
  3. Step 3: Cross multiply
    2,415,228.40x = 3,618,695.40 × 1,276,303.60
  4. Step 4: Simplify right side
    2,415,228.40x = 4,618,553,966,323.44
  5. Step 5: Solve for x
    x = 4,618,553,966,323.44/2,415,228.40
  6. Step 6: Final answer
    x = 1,912,263.85

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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.