Home / 3,118,514.76-4,678,078.56-1,296,503.40

Finding the Fourth Proportional to 3,118,514.76, 4,678,078.56 and 1,296,503.40

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Solution

The fourth proportional to 3,118,514.76, 4,678,078.56 and 1,296,503.40 is: 1,944,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,514.76 : 4,678,078.56 = 1,296,503.40 : x
  2. Step 2: Convert to fraction form
    3,118,514.76/4,678,078.56 = 1,296,503.40/x
  3. Step 3: Cross multiply
    3,118,514.76x = 4,678,078.56 × 1,296,503.40
  4. Step 4: Simplify right side
    3,118,514.76x = 6,065,144,758,507.10
  5. Step 5: Solve for x
    x = 6,065,144,758,507.10/3,118,514.76
  6. Step 6: Final answer
    x = 1,944,882.49

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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.