Home / 5,429,034.09-8,143,544.25-1,385,522.01

Finding the Fourth Proportional to 5,429,034.09, 8,143,544.25 and 1,385,522.01

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Solution

The fourth proportional to 5,429,034.09, 8,143,544.25 and 1,385,522.01 is: 2,078,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,034.09 : 8,143,544.25 = 1,385,522.01 : x
  2. Step 2: Convert to fraction form
    5,429,034.09/8,143,544.25 = 1,385,522.01/x
  3. Step 3: Cross multiply
    5,429,034.09x = 8,143,544.25 × 1,385,522.01
  4. Step 4: Simplify right side
    5,429,034.09x = 11,283,059,797,783.94
  5. Step 5: Solve for x
    x = 11,283,059,797,783.94/5,429,034.09
  6. Step 6: Final answer
    x = 2,078,281.26

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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.