Home / 3,071,123.96-4,239,510.18-1,983,925.40

Finding the Fourth Proportional to 3,071,123.96, 4,239,510.18 and 1,983,925.40

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Solution

The fourth proportional to 3,071,123.96, 4,239,510.18 and 1,983,925.40 is: 2,738,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,123.96 : 4,239,510.18 = 1,983,925.40 : x
  2. Step 2: Convert to fraction form
    3,071,123.96/4,239,510.18 = 1,983,925.40/x
  3. Step 3: Cross multiply
    3,071,123.96x = 4,239,510.18 × 1,983,925.40
  4. Step 4: Simplify right side
    3,071,123.96x = 8,410,871,929,660.57
  5. Step 5: Solve for x
    x = 8,410,871,929,660.57/3,071,123.96
  6. Step 6: Final answer
    x = 2,738,695.03

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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.