Home / 2,617,459.60-3,926,448.60-911,340.40

Finding the Fourth Proportional to 2,617,459.60, 3,926,448.60 and 911,340.40

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Solution

The fourth proportional to 2,617,459.60, 3,926,448.60 and 911,340.40 is: 1,367,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,459.60 : 3,926,448.60 = 911,340.40 : x
  2. Step 2: Convert to fraction form
    2,617,459.60/3,926,448.60 = 911,340.40/x
  3. Step 3: Cross multiply
    2,617,459.60x = 3,926,448.60 × 911,340.40
  4. Step 4: Simplify right side
    2,617,459.60x = 3,578,331,237,703.44
  5. Step 5: Solve for x
    x = 3,578,331,237,703.44/2,617,459.60
  6. Step 6: Final answer
    x = 1,367,100.85

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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.