Home / 2,087,885.45-2,881,234.04-1,216,664.70

Finding the Fourth Proportional to 2,087,885.45, 2,881,234.04 and 1,216,664.70

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Solution

The fourth proportional to 2,087,885.45, 2,881,234.04 and 1,216,664.70 is: 1,678,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,885.45 : 2,881,234.04 = 1,216,664.70 : x
  2. Step 2: Convert to fraction form
    2,087,885.45/2,881,234.04 = 1,216,664.70/x
  3. Step 3: Cross multiply
    2,087,885.45x = 2,881,234.04 × 1,216,664.70
  4. Step 4: Simplify right side
    2,087,885.45x = 3,505,495,742,823.06
  5. Step 5: Solve for x
    x = 3,505,495,742,823.06/2,087,885.45
  6. Step 6: Final answer
    x = 1,678,969.39

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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.