Home / 2,867,145.42-3,956,661.28-1,560,402.57

Finding the Fourth Proportional to 2,867,145.42, 3,956,661.28 and 1,560,402.57

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Solution

The fourth proportional to 2,867,145.42, 3,956,661.28 and 1,560,402.57 is: 2,153,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,145.42 : 3,956,661.28 = 1,560,402.57 : x
  2. Step 2: Convert to fraction form
    2,867,145.42/3,956,661.28 = 1,560,402.57/x
  3. Step 3: Cross multiply
    2,867,145.42x = 3,956,661.28 × 1,560,402.57
  4. Step 4: Simplify right side
    2,867,145.42x = 6,173,984,429,931.49
  5. Step 5: Solve for x
    x = 6,173,984,429,931.49/2,867,145.42
  6. Step 6: Final answer
    x = 2,153,355.87

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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.