Home / 1,919,880.31-2,879,985.84-499,938.97

Finding the Fourth Proportional to 1,919,880.31, 2,879,985.84 and 499,938.97

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Solution

The fourth proportional to 1,919,880.31, 2,879,985.84 and 499,938.97 is: 749,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,880.31 : 2,879,985.84 = 499,938.97 : x
  2. Step 2: Convert to fraction form
    1,919,880.31/2,879,985.84 = 499,938.97/x
  3. Step 3: Cross multiply
    1,919,880.31x = 2,879,985.84 × 499,938.97
  4. Step 4: Simplify right side
    1,919,880.31x = 1,439,817,154,464.18
  5. Step 5: Solve for x
    x = 1,439,817,154,464.18/1,919,880.31
  6. Step 6: Final answer
    x = 749,951.52

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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.