Home / 2,762,880.74-3,812,765.83-1,539,113.91

Finding the Fourth Proportional to 2,762,880.74, 3,812,765.83 and 1,539,113.91

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Solution

The fourth proportional to 2,762,880.74, 3,812,765.83 and 1,539,113.91 is: 2,123,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,880.74 : 3,812,765.83 = 1,539,113.91 : x
  2. Step 2: Convert to fraction form
    2,762,880.74/3,812,765.83 = 1,539,113.91/x
  3. Step 3: Cross multiply
    2,762,880.74x = 3,812,765.83 × 1,539,113.91
  4. Step 4: Simplify right side
    2,762,880.74x = 5,868,280,915,037.56
  5. Step 5: Solve for x
    x = 5,868,280,915,037.56/2,762,880.74
  6. Step 6: Final answer
    x = 2,123,971.85

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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.