Home / 2,872,018.49-3,963,196.35-1,582,855.70

Finding the Fourth Proportional to 2,872,018.49, 3,963,196.35 and 1,582,855.70

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Solution

The fourth proportional to 2,872,018.49, 3,963,196.35 and 1,582,855.70 is: 2,184,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,018.49 : 3,963,196.35 = 1,582,855.70 : x
  2. Step 2: Convert to fraction form
    2,872,018.49/3,963,196.35 = 1,582,855.70/x
  3. Step 3: Cross multiply
    2,872,018.49x = 3,963,196.35 × 1,582,855.70
  4. Step 4: Simplify right side
    2,872,018.49x = 6,273,167,913,000.71
  5. Step 5: Solve for x
    x = 6,273,167,913,000.71/2,872,018.49
  6. Step 6: Final answer
    x = 2,184,236.61

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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.