Home / 2,141,137.80-3,208,985.10-877,537.80

Finding the Fourth Proportional to 2,141,137.80, 3,208,985.10 and 877,537.80

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Solution

The fourth proportional to 2,141,137.80, 3,208,985.10 and 877,537.80 is: 1,315,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,137.80 : 3,208,985.10 = 877,537.80 : x
  2. Step 2: Convert to fraction form
    2,141,137.80/3,208,985.10 = 877,537.80/x
  3. Step 3: Cross multiply
    2,141,137.80x = 3,208,985.10 × 877,537.80
  4. Step 4: Simplify right side
    2,141,137.80x = 2,816,005,724,886.78
  5. Step 5: Solve for x
    x = 2,816,005,724,886.78/2,141,137.80
  6. Step 6: Final answer
    x = 1,315,191.26

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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.