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Finding the Fourth Proportional to 3,216,296.28, 4,824,444.42 and 2,506,859.40

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Solution

The fourth proportional to 3,216,296.28, 4,824,444.42 and 2,506,859.40 is: 3,760,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,296.28 : 4,824,444.42 = 2,506,859.40 : x
  2. Step 2: Convert to fraction form
    3,216,296.28/4,824,444.42 = 2,506,859.40/x
  3. Step 3: Cross multiply
    3,216,296.28x = 4,824,444.42 × 2,506,859.40
  4. Step 4: Simplify right side
    3,216,296.28x = 12,094,203,844,054.55
  5. Step 5: Solve for x
    x = 12,094,203,844,054.55/3,216,296.28
  6. Step 6: Final answer
    x = 3,760,289.10

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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.