Home / 4,178,870.64-6,262,393.92-1,780,300.32

Finding the Fourth Proportional to 4,178,870.64, 6,262,393.92 and 1,780,300.32

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Solution

The fourth proportional to 4,178,870.64, 6,262,393.92 and 1,780,300.32 is: 2,667,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,870.64 : 6,262,393.92 = 1,780,300.32 : x
  2. Step 2: Convert to fraction form
    4,178,870.64/6,262,393.92 = 1,780,300.32/x
  3. Step 3: Cross multiply
    4,178,870.64x = 6,262,393.92 × 1,780,300.32
  4. Step 4: Simplify right side
    4,178,870.64x = 11,148,941,899,742.05
  5. Step 5: Solve for x
    x = 11,148,941,899,742.05/4,178,870.64
  6. Step 6: Final answer
    x = 2,667,931.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.