Home / 2,769,801.40-4,154,118.90-1,172,416.60

Finding the Fourth Proportional to 2,769,801.40, 4,154,118.90 and 1,172,416.60

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Solution

The fourth proportional to 2,769,801.40, 4,154,118.90 and 1,172,416.60 is: 1,758,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,801.40 : 4,154,118.90 = 1,172,416.60 : x
  2. Step 2: Convert to fraction form
    2,769,801.40/4,154,118.90 = 1,172,416.60/x
  3. Step 3: Cross multiply
    2,769,801.40x = 4,154,118.90 × 1,172,416.60
  4. Step 4: Simplify right side
    2,769,801.40x = 4,870,357,956,733.74
  5. Step 5: Solve for x
    x = 4,870,357,956,733.74/2,769,801.40
  6. Step 6: Final answer
    x = 1,758,378.04

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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.