Home / 4,158,631.80-6,237,947.70-1,919,143.80

Finding the Fourth Proportional to 4,158,631.80, 6,237,947.70 and 1,919,143.80

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Solution

The fourth proportional to 4,158,631.80, 6,237,947.70 and 1,919,143.80 is: 2,878,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,631.80 : 6,237,947.70 = 1,919,143.80 : x
  2. Step 2: Convert to fraction form
    4,158,631.80/6,237,947.70 = 1,919,143.80/x
  3. Step 3: Cross multiply
    4,158,631.80x = 6,237,947.70 × 1,919,143.80
  4. Step 4: Simplify right side
    4,158,631.80x = 11,971,518,653,179.26
  5. Step 5: Solve for x
    x = 11,971,518,653,179.26/4,158,631.80
  6. Step 6: Final answer
    x = 2,878,715.70

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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.