Home / 4,493,143.80-6,739,715.70-1,298,374.20

Finding the Fourth Proportional to 4,493,143.80, 6,739,715.70 and 1,298,374.20

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Solution

The fourth proportional to 4,493,143.80, 6,739,715.70 and 1,298,374.20 is: 1,947,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493,143.80 : 6,739,715.70 = 1,298,374.20 : x
  2. Step 2: Convert to fraction form
    4,493,143.80/6,739,715.70 = 1,298,374.20/x
  3. Step 3: Cross multiply
    4,493,143.80x = 6,739,715.70 × 1,298,374.20
  4. Step 4: Simplify right side
    4,493,143.80x = 8,750,672,980,214.94
  5. Step 5: Solve for x
    x = 8,750,672,980,214.94/4,493,143.80
  6. Step 6: Final answer
    x = 1,947,561.30

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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.