Home / 2,746,845.90-4,119,284.70-1,398,560.40

Finding the Fourth Proportional to 2,746,845.90, 4,119,284.70 and 1,398,560.40

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Solution

The fourth proportional to 2,746,845.90, 4,119,284.70 and 1,398,560.40 is: 2,097,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,845.90 : 4,119,284.70 = 1,398,560.40 : x
  2. Step 2: Convert to fraction form
    2,746,845.90/4,119,284.70 = 1,398,560.40/x
  3. Step 3: Cross multiply
    2,746,845.90x = 4,119,284.70 × 1,398,560.40
  4. Step 4: Simplify right side
    2,746,845.90x = 5,761,068,457,745.88
  5. Step 5: Solve for x
    x = 5,761,068,457,745.88/2,746,845.90
  6. Step 6: Final answer
    x = 2,097,339.52

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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.