Home / 4,119,006.70-6,178,510.05-1,422,435.70

Finding the Fourth Proportional to 4,119,006.70, 6,178,510.05 and 1,422,435.70

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Solution

The fourth proportional to 4,119,006.70, 6,178,510.05 and 1,422,435.70 is: 2,133,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,006.70 : 6,178,510.05 = 1,422,435.70 : x
  2. Step 2: Convert to fraction form
    4,119,006.70/6,178,510.05 = 1,422,435.70/x
  3. Step 3: Cross multiply
    4,119,006.70x = 6,178,510.05 × 1,422,435.70
  4. Step 4: Simplify right side
    4,119,006.70x = 8,788,533,267,928.78
  5. Step 5: Solve for x
    x = 8,788,533,267,928.78/4,119,006.70
  6. Step 6: Final answer
    x = 2,133,653.55

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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.