Home / 2,768,510.40-4,152,765.60-1,085,668.80

Finding the Fourth Proportional to 2,768,510.40, 4,152,765.60 and 1,085,668.80

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Solution

The fourth proportional to 2,768,510.40, 4,152,765.60 and 1,085,668.80 is: 1,628,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,510.40 : 4,152,765.60 = 1,085,668.80 : x
  2. Step 2: Convert to fraction form
    2,768,510.40/4,152,765.60 = 1,085,668.80/x
  3. Step 3: Cross multiply
    2,768,510.40x = 4,152,765.60 × 1,085,668.80
  4. Step 4: Simplify right side
    2,768,510.40x = 4,508,528,045,633.28
  5. Step 5: Solve for x
    x = 4,508,528,045,633.28/2,768,510.40
  6. Step 6: Final answer
    x = 1,628,503.20

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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.