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Finding the Fourth Proportional to 2,962,339.04, 4,088,019.76 and 1,604,211.68

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Solution

The fourth proportional to 2,962,339.04, 4,088,019.76 and 1,604,211.68 is: 2,213,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962,339.04 : 4,088,019.76 = 1,604,211.68 : x
  2. Step 2: Convert to fraction form
    2,962,339.04/4,088,019.76 = 1,604,211.68/x
  3. Step 3: Cross multiply
    2,962,339.04x = 4,088,019.76 × 1,604,211.68
  4. Step 4: Simplify right side
    2,962,339.04x = 6,558,049,047,062.80
  5. Step 5: Solve for x
    x = 6,558,049,047,062.80/2,962,339.04
  6. Step 6: Final answer
    x = 2,213,807.72

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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.