Home / 3,240,647.80-4,472,184.18-1,790,436.76

Finding the Fourth Proportional to 3,240,647.80, 4,472,184.18 and 1,790,436.76

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Solution

The fourth proportional to 3,240,647.80, 4,472,184.18 and 1,790,436.76 is: 2,470,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,647.80 : 4,472,184.18 = 1,790,436.76 : x
  2. Step 2: Convert to fraction form
    3,240,647.80/4,472,184.18 = 1,790,436.76/x
  3. Step 3: Cross multiply
    3,240,647.80x = 4,472,184.18 × 1,790,436.76
  4. Step 4: Simplify right side
    3,240,647.80x = 8,007,162,953,362.46
  5. Step 5: Solve for x
    x = 8,007,162,953,362.46/3,240,647.80
  6. Step 6: Final answer
    x = 2,470,852.57

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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.