Home / 2,567,840.28-3,543,619.32-1,421,920.80

Finding the Fourth Proportional to 2,567,840.28, 3,543,619.32 and 1,421,920.80

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Solution

The fourth proportional to 2,567,840.28, 3,543,619.32 and 1,421,920.80 is: 1,962,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,840.28 : 3,543,619.32 = 1,421,920.80 : x
  2. Step 2: Convert to fraction form
    2,567,840.28/3,543,619.32 = 1,421,920.80/x
  3. Step 3: Cross multiply
    2,567,840.28x = 3,543,619.32 × 1,421,920.80
  4. Step 4: Simplify right side
    2,567,840.28x = 5,038,746,018,389.86
  5. Step 5: Solve for x
    x = 5,038,746,018,389.86/2,567,840.28
  6. Step 6: Final answer
    x = 1,962,250.56

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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.