Home / 1,631,853.84-2,243,972.52-1,416,617.40

Finding the Fourth Proportional to 1,631,853.84, 2,243,972.52 and 1,416,617.40

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Solution

The fourth proportional to 1,631,853.84, 2,243,972.52 and 1,416,617.40 is: 1,947,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,853.84 : 2,243,972.52 = 1,416,617.40 : x
  2. Step 2: Convert to fraction form
    1,631,853.84/2,243,972.52 = 1,416,617.40/x
  3. Step 3: Cross multiply
    1,631,853.84x = 2,243,972.52 × 1,416,617.40
  4. Step 4: Simplify right side
    1,631,853.84x = 3,178,850,516,953.85
  5. Step 5: Solve for x
    x = 3,178,850,516,953.85/1,631,853.84
  6. Step 6: Final answer
    x = 1,947,999.53

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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.