Home / 6,643,784.70-9,965,677.05-1,595,095.20

Finding the Fourth Proportional to 6,643,784.70, 9,965,677.05 and 1,595,095.20

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Solution

The fourth proportional to 6,643,784.70, 9,965,677.05 and 1,595,095.20 is: 2,392,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,784.70 : 9,965,677.05 = 1,595,095.20 : x
  2. Step 2: Convert to fraction form
    6,643,784.70/9,965,677.05 = 1,595,095.20/x
  3. Step 3: Cross multiply
    6,643,784.70x = 9,965,677.05 × 1,595,095.20
  4. Step 4: Simplify right side
    6,643,784.70x = 15,896,203,627,205.16
  5. Step 5: Solve for x
    x = 15,896,203,627,205.16/6,643,784.70
  6. Step 6: Final answer
    x = 2,392,642.80

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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.