Home / 2,809,560.51-4,213,865.84-787,339.35

Finding the Fourth Proportional to 2,809,560.51, 4,213,865.84 and 787,339.35

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Solution

The fourth proportional to 2,809,560.51, 4,213,865.84 and 787,339.35 is: 1,180,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,560.51 : 4,213,865.84 = 787,339.35 : x
  2. Step 2: Convert to fraction form
    2,809,560.51/4,213,865.84 = 787,339.35/x
  3. Step 3: Cross multiply
    2,809,560.51x = 4,213,865.84 × 787,339.35
  4. Step 4: Simplify right side
    2,809,560.51x = 3,317,742,387,516.11
  5. Step 5: Solve for x
    x = 3,317,742,387,516.11/2,809,560.51
  6. Step 6: Final answer
    x = 1,180,875.93

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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.