Home / 2,421,528.27-3,341,417.87-1,388,982.70

Finding the Fourth Proportional to 2,421,528.27, 3,341,417.87 and 1,388,982.70

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Solution

The fourth proportional to 2,421,528.27, 3,341,417.87 and 1,388,982.70 is: 1,916,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,528.27 : 3,341,417.87 = 1,388,982.70 : x
  2. Step 2: Convert to fraction form
    2,421,528.27/3,341,417.87 = 1,388,982.70/x
  3. Step 3: Cross multiply
    2,421,528.27x = 3,341,417.87 × 1,388,982.70
  4. Step 4: Simplify right side
    2,421,528.27x = 4,641,171,591,248.85
  5. Step 5: Solve for x
    x = 4,641,171,591,248.85/2,421,528.27
  6. Step 6: Final answer
    x = 1,916,629.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.