Home / 1,973,423.20-2,960,134.80-1,679,490.40

Finding the Fourth Proportional to 1,973,423.20, 2,960,134.80 and 1,679,490.40

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Solution

The fourth proportional to 1,973,423.20, 2,960,134.80 and 1,679,490.40 is: 2,519,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,423.20 : 2,960,134.80 = 1,679,490.40 : x
  2. Step 2: Convert to fraction form
    1,973,423.20/2,960,134.80 = 1,679,490.40/x
  3. Step 3: Cross multiply
    1,973,423.20x = 2,960,134.80 × 1,679,490.40
  4. Step 4: Simplify right side
    1,973,423.20x = 4,971,517,979,305.92
  5. Step 5: Solve for x
    x = 4,971,517,979,305.92/1,973,423.20
  6. Step 6: Final answer
    x = 2,519,235.60

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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.