Home / 2,153,934.64-2,972,417.04-1,173,872.50

Finding the Fourth Proportional to 2,153,934.64, 2,972,417.04 and 1,173,872.50

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Solution

The fourth proportional to 2,153,934.64, 2,972,417.04 and 1,173,872.50 is: 1,619,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,934.64 : 2,972,417.04 = 1,173,872.50 : x
  2. Step 2: Convert to fraction form
    2,153,934.64/2,972,417.04 = 1,173,872.50/x
  3. Step 3: Cross multiply
    2,153,934.64x = 2,972,417.04 × 1,173,872.50
  4. Step 4: Simplify right side
    2,153,934.64x = 3,489,238,621,787.40
  5. Step 5: Solve for x
    x = 3,489,238,621,787.40/2,153,934.64
  6. Step 6: Final answer
    x = 1,619,937.09

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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.