Home / 2,699,141.80-4,044,047.10-1,276,133.80

Finding the Fourth Proportional to 2,699,141.80, 4,044,047.10 and 1,276,133.80

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Solution

The fourth proportional to 2,699,141.80, 4,044,047.10 and 1,276,133.80 is: 1,911,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,141.80 : 4,044,047.10 = 1,276,133.80 : x
  2. Step 2: Convert to fraction form
    2,699,141.80/4,044,047.10 = 1,276,133.80/x
  3. Step 3: Cross multiply
    2,699,141.80x = 4,044,047.10 × 1,276,133.80
  4. Step 4: Simplify right side
    2,699,141.80x = 5,160,745,193,101.98
  5. Step 5: Solve for x
    x = 5,160,745,193,101.98/2,699,141.80
  6. Step 6: Final answer
    x = 1,911,994.84

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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.