Home / 2,142,257.60-2,956,315.24-1,224,506.36

Finding the Fourth Proportional to 2,142,257.60, 2,956,315.24 and 1,224,506.36

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Solution

The fourth proportional to 2,142,257.60, 2,956,315.24 and 1,224,506.36 is: 1,689,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,257.60 : 2,956,315.24 = 1,224,506.36 : x
  2. Step 2: Convert to fraction form
    2,142,257.60/2,956,315.24 = 1,224,506.36/x
  3. Step 3: Cross multiply
    2,142,257.60x = 2,956,315.24 × 1,224,506.36
  4. Step 4: Simplify right side
    2,142,257.60x = 3,620,026,813,544.93
  5. Step 5: Solve for x
    x = 3,620,026,813,544.93/2,142,257.60
  6. Step 6: Final answer
    x = 1,689,818.64

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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.