Home / 4,689,818.80-7,029,479.40-1,993,685.20

Finding the Fourth Proportional to 4,689,818.80, 7,029,479.40 and 1,993,685.20

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Solution

The fourth proportional to 4,689,818.80, 7,029,479.40 and 1,993,685.20 is: 2,988,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689,818.80 : 7,029,479.40 = 1,993,685.20 : x
  2. Step 2: Convert to fraction form
    4,689,818.80/7,029,479.40 = 1,993,685.20/x
  3. Step 3: Cross multiply
    4,689,818.80x = 7,029,479.40 × 1,993,685.20
  4. Step 4: Simplify right side
    4,689,818.80x = 14,014,569,043,484.88
  5. Step 5: Solve for x
    x = 14,014,569,043,484.88/4,689,818.80
  6. Step 6: Final answer
    x = 2,988,296.49

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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.