Home / 2,919,070.32-4,378,338-2,069,785.32

Finding the Fourth Proportional to 2,919,070.32, 4,378,338 and 2,069,785.32

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Solution

The fourth proportional to 2,919,070.32, 4,378,338 and 2,069,785.32 is: 3,104,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,070.32 : 4,378,338 = 2,069,785.32 : x
  2. Step 2: Convert to fraction form
    2,919,070.32/4,378,338 = 2,069,785.32/x
  3. Step 3: Cross multiply
    2,919,070.32x = 4,378,338 × 2,069,785.32
  4. Step 4: Simplify right side
    2,919,070.32x = 9,062,219,718,398.16
  5. Step 5: Solve for x
    x = 9,062,219,718,398.16/2,919,070.32
  6. Step 6: Final answer
    x = 3,104,488.32

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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.