Home / 2,077,983.60-3,118,943.70-1,280,822.10

Finding the Fourth Proportional to 2,077,983.60, 3,118,943.70 and 1,280,822.10

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Solution

The fourth proportional to 2,077,983.60, 3,118,943.70 and 1,280,822.10 is: 1,922,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,983.60 : 3,118,943.70 = 1,280,822.10 : x
  2. Step 2: Convert to fraction form
    2,077,983.60/3,118,943.70 = 1,280,822.10/x
  3. Step 3: Cross multiply
    2,077,983.60x = 3,118,943.70 × 1,280,822.10
  4. Step 4: Simplify right side
    2,077,983.60x = 3,994,812,019,615.77
  5. Step 5: Solve for x
    x = 3,994,812,019,615.77/2,077,983.60
  6. Step 6: Final answer
    x = 1,922,446.37

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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.