Home / 2,742,320.94-4,115,056.49-2,141,595.78

Finding the Fourth Proportional to 2,742,320.94, 4,115,056.49 and 2,141,595.78

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Solution

The fourth proportional to 2,742,320.94, 4,115,056.49 and 2,141,595.78 is: 3,213,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,320.94 : 4,115,056.49 = 2,141,595.78 : x
  2. Step 2: Convert to fraction form
    2,742,320.94/4,115,056.49 = 2,141,595.78/x
  3. Step 3: Cross multiply
    2,742,320.94x = 4,115,056.49 × 2,141,595.78
  4. Step 4: Simplify right side
    2,742,320.94x = 8,812,787,613,445.61
  5. Step 5: Solve for x
    x = 8,812,787,613,445.61/2,742,320.94
  6. Step 6: Final answer
    x = 3,213,623.72

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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.