Home / 3,609,415-4,980,518.22-2,158,580.44

Finding the Fourth Proportional to 3,609,415, 4,980,518.22 and 2,158,580.44

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Solution

The fourth proportional to 3,609,415, 4,980,518.22 and 2,158,580.44 is: 2,978,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,415 : 4,980,518.22 = 2,158,580.44 : x
  2. Step 2: Convert to fraction form
    3,609,415/4,980,518.22 = 2,158,580.44/x
  3. Step 3: Cross multiply
    3,609,415x = 4,980,518.22 × 2,158,580.44
  4. Step 4: Simplify right side
    3,609,415x = 10,750,849,210,755.62
  5. Step 5: Solve for x
    x = 10,750,849,210,755.62/3,609,415
  6. Step 6: Final answer
    x = 2,978,557.25

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Double scale
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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.