Home / 2,543,339.64-3,509,848.53-1,381,808.91

Finding the Fourth Proportional to 2,543,339.64, 3,509,848.53 and 1,381,808.91

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Solution

The fourth proportional to 2,543,339.64, 3,509,848.53 and 1,381,808.91 is: 1,906,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,339.64 : 3,509,848.53 = 1,381,808.91 : x
  2. Step 2: Convert to fraction form
    2,543,339.64/3,509,848.53 = 1,381,808.91/x
  3. Step 3: Cross multiply
    2,543,339.64x = 3,509,848.53 × 1,381,808.91
  4. Step 4: Simplify right side
    2,543,339.64x = 4,849,939,954,158.04
  5. Step 5: Solve for x
    x = 4,849,939,954,158.04/2,543,339.64
  6. Step 6: Final answer
    x = 1,906,917.93

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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.