Home / 2,685,320.30-4,027,980.45-1,623,637.10

Finding the Fourth Proportional to 2,685,320.30, 4,027,980.45 and 1,623,637.10

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Solution

The fourth proportional to 2,685,320.30, 4,027,980.45 and 1,623,637.10 is: 2,435,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,320.30 : 4,027,980.45 = 1,623,637.10 : x
  2. Step 2: Convert to fraction form
    2,685,320.30/4,027,980.45 = 1,623,637.10/x
  3. Step 3: Cross multiply
    2,685,320.30x = 4,027,980.45 × 1,623,637.10
  4. Step 4: Simplify right side
    2,685,320.30x = 6,539,978,496,694.70
  5. Step 5: Solve for x
    x = 6,539,978,496,694.70/2,685,320.30
  6. Step 6: Final answer
    x = 2,435,455.65

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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.