Home / 2,140,662.60-3,209,438.70-877,840.20

Finding the Fourth Proportional to 2,140,662.60, 3,209,438.70 and 877,840.20

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Solution

The fourth proportional to 2,140,662.60, 3,209,438.70 and 877,840.20 is: 1,316,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,662.60 : 3,209,438.70 = 877,840.20 : x
  2. Step 2: Convert to fraction form
    2,140,662.60/3,209,438.70 = 877,840.20/x
  3. Step 3: Cross multiply
    2,140,662.60x = 3,209,438.70 × 877,840.20
  4. Step 4: Simplify right side
    2,140,662.60x = 2,817,374,310,295.74
  5. Step 5: Solve for x
    x = 2,817,374,310,295.74/2,140,662.60
  6. Step 6: Final answer
    x = 1,316,122.55

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1.5x scale

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.