Home / 5,429,035.59-8,143,546.50-1,385,523.51

Finding the Fourth Proportional to 5,429,035.59, 8,143,546.50 and 1,385,523.51

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Solution

The fourth proportional to 5,429,035.59, 8,143,546.50 and 1,385,523.51 is: 2,078,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,035.59 : 8,143,546.50 = 1,385,523.51 : x
  2. Step 2: Convert to fraction form
    5,429,035.59/8,143,546.50 = 1,385,523.51/x
  3. Step 3: Cross multiply
    5,429,035.59x = 8,143,546.50 × 1,385,523.51
  4. Step 4: Simplify right side
    5,429,035.59x = 11,283,075,130,528.21
  5. Step 5: Solve for x
    x = 11,283,075,130,528.21/5,429,035.59
  6. Step 6: Final answer
    x = 2,078,283.51

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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.