Home / 5,191,075.12-7,781,551.50-2,074,197.55

Finding the Fourth Proportional to 5,191,075.12, 7,781,551.50 and 2,074,197.55

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Solution

The fourth proportional to 5,191,075.12, 7,781,551.50 and 2,074,197.55 is: 3,109,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,075.12 : 7,781,551.50 = 2,074,197.55 : x
  2. Step 2: Convert to fraction form
    5,191,075.12/7,781,551.50 = 2,074,197.55/x
  3. Step 3: Cross multiply
    5,191,075.12x = 7,781,551.50 × 2,074,197.55
  4. Step 4: Simplify right side
    5,191,075.12x = 16,140,475,056,498.83
  5. Step 5: Solve for x
    x = 16,140,475,056,498.83/5,191,075.12
  6. Step 6: Final answer
    x = 3,109,274.03

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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.