Home / 1,547,523.60-2,319,317.10-1,378,249.80

Finding the Fourth Proportional to 1,547,523.60, 2,319,317.10 and 1,378,249.80

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Solution

The fourth proportional to 1,547,523.60, 2,319,317.10 and 1,378,249.80 is: 2,065,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,523.60 : 2,319,317.10 = 1,378,249.80 : x
  2. Step 2: Convert to fraction form
    1,547,523.60/2,319,317.10 = 1,378,249.80/x
  3. Step 3: Cross multiply
    1,547,523.60x = 2,319,317.10 × 1,378,249.80
  4. Step 4: Simplify right side
    1,547,523.60x = 3,196,598,329,211.58
  5. Step 5: Solve for x
    x = 3,196,598,329,211.58/1,547,523.60
  6. Step 6: Final answer
    x = 2,065,621.70

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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.