Home / 2,078,277.70-3,117,416.55-1,962,804.10

Finding the Fourth Proportional to 2,078,277.70, 3,117,416.55 and 1,962,804.10

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Solution

The fourth proportional to 2,078,277.70, 3,117,416.55 and 1,962,804.10 is: 2,944,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,277.70 : 3,117,416.55 = 1,962,804.10 : x
  2. Step 2: Convert to fraction form
    2,078,277.70/3,117,416.55 = 1,962,804.10/x
  3. Step 3: Cross multiply
    2,078,277.70x = 3,117,416.55 × 1,962,804.10
  4. Step 4: Simplify right side
    2,078,277.70x = 6,118,877,985,747.86
  5. Step 5: Solve for x
    x = 6,118,877,985,747.86/2,078,277.70
  6. Step 6: Final answer
    x = 2,944,206.15

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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.