Home / 3,143,642.19-4,335,688.78-2,110,838.73

Finding the Fourth Proportional to 3,143,642.19, 4,335,688.78 and 2,110,838.73

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Solution

The fourth proportional to 3,143,642.19, 4,335,688.78 and 2,110,838.73 is: 2,911,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,642.19 : 4,335,688.78 = 2,110,838.73 : x
  2. Step 2: Convert to fraction form
    3,143,642.19/4,335,688.78 = 2,110,838.73/x
  3. Step 3: Cross multiply
    3,143,642.19x = 4,335,688.78 × 2,110,838.73
  4. Step 4: Simplify right side
    3,143,642.19x = 9,151,939,798,050.45
  5. Step 5: Solve for x
    x = 9,151,939,798,050.45/3,143,642.19
  6. Step 6: Final answer
    x = 2,911,253.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.