Home / 3,237,685.56-4,467,888.72-1,787,349.78

Finding the Fourth Proportional to 3,237,685.56, 4,467,888.72 and 1,787,349.78

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Solution

The fourth proportional to 3,237,685.56, 4,467,888.72 and 1,787,349.78 is: 2,466,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,685.56 : 4,467,888.72 = 1,787,349.78 : x
  2. Step 2: Convert to fraction form
    3,237,685.56/4,467,888.72 = 1,787,349.78/x
  3. Step 3: Cross multiply
    3,237,685.56x = 4,467,888.72 × 1,787,349.78
  4. Step 4: Simplify right side
    3,237,685.56x = 7,985,679,920,756.48
  5. Step 5: Solve for x
    x = 7,985,679,920,756.48/3,237,685.56
  6. Step 6: Final answer
    x = 2,466,477.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.