Home / 2,688,207.60-4,032,311.40-2,596,969.20

Finding the Fourth Proportional to 2,688,207.60, 4,032,311.40 and 2,596,969.20

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Solution

The fourth proportional to 2,688,207.60, 4,032,311.40 and 2,596,969.20 is: 3,895,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,207.60 : 4,032,311.40 = 2,596,969.20 : x
  2. Step 2: Convert to fraction form
    2,688,207.60/4,032,311.40 = 2,596,969.20/x
  3. Step 3: Cross multiply
    2,688,207.60x = 4,032,311.40 × 2,596,969.20
  4. Step 4: Simplify right side
    2,688,207.60x = 10,471,788,510,608.88
  5. Step 5: Solve for x
    x = 10,471,788,510,608.88/2,688,207.60
  6. Step 6: Final answer
    x = 3,895,453.80

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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.