Home / 2,124,272.64-3,186,875.52-628,248

Finding the Fourth Proportional to 2,124,272.64, 3,186,875.52 and 628,248

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Solution

The fourth proportional to 2,124,272.64, 3,186,875.52 and 628,248 is: 942,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,272.64 : 3,186,875.52 = 628,248 : x
  2. Step 2: Convert to fraction form
    2,124,272.64/3,186,875.52 = 628,248/x
  3. Step 3: Cross multiply
    2,124,272.64x = 3,186,875.52 × 628,248
  4. Step 4: Simplify right side
    2,124,272.64x = 2,002,148,171,688.96
  5. Step 5: Solve for x
    x = 2,002,148,171,688.96/2,124,272.64
  6. Step 6: Final answer
    x = 942,509.98

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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.