Home / 2,550,776.28-3,520,319.90-1,905,075.47

Finding the Fourth Proportional to 2,550,776.28, 3,520,319.90 and 1,905,075.47

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Solution

The fourth proportional to 2,550,776.28, 3,520,319.90 and 1,905,075.47 is: 2,629,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,776.28 : 3,520,319.90 = 1,905,075.47 : x
  2. Step 2: Convert to fraction form
    2,550,776.28/3,520,319.90 = 1,905,075.47/x
  3. Step 3: Cross multiply
    2,550,776.28x = 3,520,319.90 × 1,905,075.47
  4. Step 4: Simplify right side
    2,550,776.28x = 6,706,475,088,042.85
  5. Step 5: Solve for x
    x = 6,706,475,088,042.85/2,550,776.28
  6. Step 6: Final answer
    x = 2,629,189.84

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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.