Home / 3,125,606.40-4,689,964.80-1,778,803.20

Finding the Fourth Proportional to 3,125,606.40, 4,689,964.80 and 1,778,803.20

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Solution

The fourth proportional to 3,125,606.40, 4,689,964.80 and 1,778,803.20 is: 2,669,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,606.40 : 4,689,964.80 = 1,778,803.20 : x
  2. Step 2: Convert to fraction form
    3,125,606.40/4,689,964.80 = 1,778,803.20/x
  3. Step 3: Cross multiply
    3,125,606.40x = 4,689,964.80 × 1,778,803.20
  4. Step 4: Simplify right side
    3,125,606.40x = 8,342,524,394,127.36
  5. Step 5: Solve for x
    x = 8,342,524,394,127.36/3,125,606.40
  6. Step 6: Final answer
    x = 2,669,089.87

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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.