Home / 2,183,639.58-3,013,646.85-1,312,756.20

Finding the Fourth Proportional to 2,183,639.58, 3,013,646.85 and 1,312,756.20

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Solution

The fourth proportional to 2,183,639.58, 3,013,646.85 and 1,312,756.20 is: 1,811,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,639.58 : 3,013,646.85 = 1,312,756.20 : x
  2. Step 2: Convert to fraction form
    2,183,639.58/3,013,646.85 = 1,312,756.20/x
  3. Step 3: Cross multiply
    2,183,639.58x = 3,013,646.85 × 1,312,756.20
  4. Step 4: Simplify right side
    2,183,639.58x = 3,956,183,586,947.97
  5. Step 5: Solve for x
    x = 3,956,183,586,947.97/2,183,639.58
  6. Step 6: Final answer
    x = 1,811,738.36

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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.