Home / 2,138,889.60-3,208,334.40-877,622.40

Finding the Fourth Proportional to 2,138,889.60, 3,208,334.40 and 877,622.40

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Solution

The fourth proportional to 2,138,889.60, 3,208,334.40 and 877,622.40 is: 1,316,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,889.60 : 3,208,334.40 = 877,622.40 : x
  2. Step 2: Convert to fraction form
    2,138,889.60/3,208,334.40 = 877,622.40/x
  3. Step 3: Cross multiply
    2,138,889.60x = 3,208,334.40 × 877,622.40
  4. Step 4: Simplify right side
    2,138,889.60x = 2,815,706,136,130.56
  5. Step 5: Solve for x
    x = 2,815,706,136,130.56/2,138,889.60
  6. Step 6: Final answer
    x = 1,316,433.60

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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.