Home / 5,265,709.60-7,898,564.40-1,276,621.60

Finding the Fourth Proportional to 5,265,709.60, 7,898,564.40 and 1,276,621.60

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Solution

The fourth proportional to 5,265,709.60, 7,898,564.40 and 1,276,621.60 is: 1,914,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,709.60 : 7,898,564.40 = 1,276,621.60 : x
  2. Step 2: Convert to fraction form
    5,265,709.60/7,898,564.40 = 1,276,621.60/x
  3. Step 3: Cross multiply
    5,265,709.60x = 7,898,564.40 × 1,276,621.60
  4. Step 4: Simplify right side
    5,265,709.60x = 10,083,477,922,031.04
  5. Step 5: Solve for x
    x = 10,083,477,922,031.04/5,265,709.60
  6. Step 6: Final answer
    x = 1,914,932.40

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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.