Home / 2,798,811.16-4,198,828.02-905,743.96

Finding the Fourth Proportional to 2,798,811.16, 4,198,828.02 and 905,743.96

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Solution

The fourth proportional to 2,798,811.16, 4,198,828.02 and 905,743.96 is: 1,358,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,811.16 : 4,198,828.02 = 905,743.96 : x
  2. Step 2: Convert to fraction form
    2,798,811.16/4,198,828.02 = 905,743.96/x
  3. Step 3: Cross multiply
    2,798,811.16x = 4,198,828.02 × 905,743.96
  4. Step 4: Simplify right side
    2,798,811.16x = 3,803,063,118,193.76
  5. Step 5: Solve for x
    x = 3,803,063,118,193.76/2,798,811.16
  6. Step 6: Final answer
    x = 1,358,813.76

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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.