Home / 2,399,890.13-3,311,848.67-1,312,162.46

Finding the Fourth Proportional to 2,399,890.13, 3,311,848.67 and 1,312,162.46

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Solution

The fourth proportional to 2,399,890.13, 3,311,848.67 and 1,312,162.46 is: 1,810,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,890.13 : 3,311,848.67 = 1,312,162.46 : x
  2. Step 2: Convert to fraction form
    2,399,890.13/3,311,848.67 = 1,312,162.46/x
  3. Step 3: Cross multiply
    2,399,890.13x = 3,311,848.67 × 1,312,162.46
  4. Step 4: Simplify right side
    2,399,890.13x = 4,345,683,474,854.87
  5. Step 5: Solve for x
    x = 4,345,683,474,854.87/2,399,890.13
  6. Step 6: Final answer
    x = 1,810,784.35

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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.