Home / 6,620,639.85-9,140,228.91-4,299,608.18

Finding the Fourth Proportional to 6,620,639.85, 9,140,228.91 and 4,299,608.18

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Solution

The fourth proportional to 6,620,639.85, 9,140,228.91 and 4,299,608.18 is: 5,935,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,639.85 : 9,140,228.91 = 4,299,608.18 : x
  2. Step 2: Convert to fraction form
    6,620,639.85/9,140,228.91 = 4,299,608.18/x
  3. Step 3: Cross multiply
    6,620,639.85x = 9,140,228.91 × 4,299,608.18
  4. Step 4: Simplify right side
    6,620,639.85x = 39,299,402,942,807.34
  5. Step 5: Solve for x
    x = 39,299,402,942,807.34/6,620,639.85
  6. Step 6: Final answer
    x = 5,935,891.97

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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.