Home / 3,780,135.60-5,669,547.30-1,382,746.20

Finding the Fourth Proportional to 3,780,135.60, 5,669,547.30 and 1,382,746.20

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Solution

The fourth proportional to 3,780,135.60, 5,669,547.30 and 1,382,746.20 is: 2,073,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,135.60 : 5,669,547.30 = 1,382,746.20 : x
  2. Step 2: Convert to fraction form
    3,780,135.60/5,669,547.30 = 1,382,746.20/x
  3. Step 3: Cross multiply
    3,780,135.60x = 5,669,547.30 × 1,382,746.20
  4. Step 4: Simplify right side
    3,780,135.60x = 7,839,544,984,795.26
  5. Step 5: Solve for x
    x = 7,839,544,984,795.26/3,780,135.60
  6. Step 6: Final answer
    x = 2,073,879.30

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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.