Home / 5,429,022.70-8,143,527.16-1,385,510.60

Finding the Fourth Proportional to 5,429,022.70, 8,143,527.16 and 1,385,510.60

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Solution

The fourth proportional to 5,429,022.70, 8,143,527.16 and 1,385,510.60 is: 2,078,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,022.70 : 8,143,527.16 = 1,385,510.60 : x
  2. Step 2: Convert to fraction form
    5,429,022.70/8,143,527.16 = 1,385,510.60/x
  3. Step 3: Cross multiply
    5,429,022.70x = 8,143,527.16 × 1,385,510.60
  4. Step 4: Simplify right side
    5,429,022.70x = 11,282,943,194,640.34
  5. Step 5: Solve for x
    x = 11,282,943,194,640.34/5,429,022.70
  6. Step 6: Final answer
    x = 2,078,264.14

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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.