Home / 2,690,848.64-4,032,285.56-2,214,461.72

Finding the Fourth Proportional to 2,690,848.64, 4,032,285.56 and 2,214,461.72

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Solution

The fourth proportional to 2,690,848.64, 4,032,285.56 and 2,214,461.72 is: 3,318,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,848.64 : 4,032,285.56 = 2,214,461.72 : x
  2. Step 2: Convert to fraction form
    2,690,848.64/4,032,285.56 = 2,214,461.72/x
  3. Step 3: Cross multiply
    2,690,848.64x = 4,032,285.56 × 2,214,461.72
  4. Step 4: Simplify right side
    2,690,848.64x = 8,929,342,032,345.63
  5. Step 5: Solve for x
    x = 8,929,342,032,345.63/2,690,848.64
  6. Step 6: Final answer
    x = 3,318,411.11

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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.