Home / 5,423,075.64-8,134,489.40-1,379,568.24

Finding the Fourth Proportional to 5,423,075.64, 8,134,489.40 and 1,379,568.24

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Solution

The fourth proportional to 5,423,075.64, 8,134,489.40 and 1,379,568.24 is: 2,069,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,075.64 : 8,134,489.40 = 1,379,568.24 : x
  2. Step 2: Convert to fraction form
    5,423,075.64/8,134,489.40 = 1,379,568.24/x
  3. Step 3: Cross multiply
    5,423,075.64x = 8,134,489.40 × 1,379,568.24
  4. Step 4: Simplify right side
    5,423,075.64x = 11,222,083,217,958.81
  5. Step 5: Solve for x
    x = 11,222,083,217,958.81/5,423,075.64
  6. Step 6: Final answer
    x = 2,069,320.80

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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.