Home / 4,298,639.78-6,448,025.27-1,103,695.22

Finding the Fourth Proportional to 4,298,639.78, 6,448,025.27 and 1,103,695.22

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Solution

The fourth proportional to 4,298,639.78, 6,448,025.27 and 1,103,695.22 is: 1,655,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298,639.78 : 6,448,025.27 = 1,103,695.22 : x
  2. Step 2: Convert to fraction form
    4,298,639.78/6,448,025.27 = 1,103,695.22/x
  3. Step 3: Cross multiply
    4,298,639.78x = 6,448,025.27 × 1,103,695.22
  4. Step 4: Simplify right side
    4,298,639.78x = 7,116,654,668,938.21
  5. Step 5: Solve for x
    x = 7,116,654,668,938.21/4,298,639.78
  6. Step 6: Final answer
    x = 1,655,559.67

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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.