Home / 5,458,141.80-8,187,941.70-1,863,005.40

Finding the Fourth Proportional to 5,458,141.80, 8,187,941.70 and 1,863,005.40

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Solution

The fourth proportional to 5,458,141.80, 8,187,941.70 and 1,863,005.40 is: 2,794,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,141.80 : 8,187,941.70 = 1,863,005.40 : x
  2. Step 2: Convert to fraction form
    5,458,141.80/8,187,941.70 = 1,863,005.40/x
  3. Step 3: Cross multiply
    5,458,141.80x = 8,187,941.70 × 1,863,005.40
  4. Step 4: Simplify right side
    5,458,141.80x = 15,254,179,601,985.18
  5. Step 5: Solve for x
    x = 15,254,179,601,985.18/5,458,141.80
  6. Step 6: Final answer
    x = 2,794,756.93

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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.