Home / 1,963,928.34-2,710,178.55-1,137,036.78

Finding the Fourth Proportional to 1,963,928.34, 2,710,178.55 and 1,137,036.78

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Solution

The fourth proportional to 1,963,928.34, 2,710,178.55 and 1,137,036.78 is: 1,569,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,928.34 : 2,710,178.55 = 1,137,036.78 : x
  2. Step 2: Convert to fraction form
    1,963,928.34/2,710,178.55 = 1,137,036.78/x
  3. Step 3: Cross multiply
    1,963,928.34x = 2,710,178.55 × 1,137,036.78
  4. Step 4: Simplify right side
    1,963,928.34x = 3,081,572,691,717.07
  5. Step 5: Solve for x
    x = 3,081,572,691,717.07/1,963,928.34
  6. Step 6: Final answer
    x = 1,569,086.12

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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.