Home / 2,078,303.85-3,117,455.78-1,369,132.65

Finding the Fourth Proportional to 2,078,303.85, 3,117,455.78 and 1,369,132.65

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Solution

The fourth proportional to 2,078,303.85, 3,117,455.78 and 1,369,132.65 is: 2,053,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,303.85 : 3,117,455.78 = 1,369,132.65 : x
  2. Step 2: Convert to fraction form
    2,078,303.85/3,117,455.78 = 1,369,132.65/x
  3. Step 3: Cross multiply
    2,078,303.85x = 3,117,455.78 × 1,369,132.65
  4. Step 4: Simplify right side
    2,078,303.85x = 4,268,210,486,483.55
  5. Step 5: Solve for x
    x = 4,268,210,486,483.55/2,078,303.85
  6. Step 6: Final answer
    x = 2,053,698.98

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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.