Home / 3,525,378.92-4,865,000.10-1,915,746.92

Finding the Fourth Proportional to 3,525,378.92, 4,865,000.10 and 1,915,746.92

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Solution

The fourth proportional to 3,525,378.92, 4,865,000.10 and 1,915,746.92 is: 2,643,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,378.92 : 4,865,000.10 = 1,915,746.92 : x
  2. Step 2: Convert to fraction form
    3,525,378.92/4,865,000.10 = 1,915,746.92/x
  3. Step 3: Cross multiply
    3,525,378.92x = 4,865,000.10 × 1,915,746.92
  4. Step 4: Simplify right side
    3,525,378.92x = 9,320,108,957,374.69
  5. Step 5: Solve for x
    x = 9,320,108,957,374.69/3,525,378.92
  6. Step 6: Final answer
    x = 2,643,718.35

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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.