Home / 1,920,815.80-2,881,223.70-1,547,567.80

Finding the Fourth Proportional to 1,920,815.80, 2,881,223.70 and 1,547,567.80

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Solution

The fourth proportional to 1,920,815.80, 2,881,223.70 and 1,547,567.80 is: 2,321,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,815.80 : 2,881,223.70 = 1,547,567.80 : x
  2. Step 2: Convert to fraction form
    1,920,815.80/2,881,223.70 = 1,547,567.80/x
  3. Step 3: Cross multiply
    1,920,815.80x = 2,881,223.70 × 1,547,567.80
  4. Step 4: Simplify right side
    1,920,815.80x = 4,458,889,022,716.86
  5. Step 5: Solve for x
    x = 4,458,889,022,716.86/1,920,815.80
  6. Step 6: Final answer
    x = 2,321,351.70

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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.