Home / 1,452,030.60-2,178,045.90-1,396,918.20

Finding the Fourth Proportional to 1,452,030.60, 2,178,045.90 and 1,396,918.20

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Solution

The fourth proportional to 1,452,030.60, 2,178,045.90 and 1,396,918.20 is: 2,095,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,030.60 : 2,178,045.90 = 1,396,918.20 : x
  2. Step 2: Convert to fraction form
    1,452,030.60/2,178,045.90 = 1,396,918.20/x
  3. Step 3: Cross multiply
    1,452,030.60x = 2,178,045.90 × 1,396,918.20
  4. Step 4: Simplify right side
    1,452,030.60x = 3,042,551,958,145.38
  5. Step 5: Solve for x
    x = 3,042,551,958,145.38/1,452,030.60
  6. Step 6: Final answer
    x = 2,095,377.30

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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.