Home / 5,433,515.63-8,150,552.62-1,390,038.53

Finding the Fourth Proportional to 5,433,515.63, 8,150,552.62 and 1,390,038.53

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Solution

The fourth proportional to 5,433,515.63, 8,150,552.62 and 1,390,038.53 is: 2,085,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,515.63 : 8,150,552.62 = 1,390,038.53 : x
  2. Step 2: Convert to fraction form
    5,433,515.63/8,150,552.62 = 1,390,038.53/x
  3. Step 3: Cross multiply
    5,433,515.63x = 8,150,552.62 × 1,390,038.53
  4. Step 4: Simplify right side
    5,433,515.63x = 11,329,582,141,839.69
  5. Step 5: Solve for x
    x = 11,329,582,141,839.69/5,433,515.63
  6. Step 6: Final answer
    x = 2,085,129.21

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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.