Home / 1,557,511.92-2,148,533.64-1,074,316.14

Finding the Fourth Proportional to 1,557,511.92, 2,148,533.64 and 1,074,316.14

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Solution

The fourth proportional to 1,557,511.92, 2,148,533.64 and 1,074,316.14 is: 1,481,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,511.92 : 2,148,533.64 = 1,074,316.14 : x
  2. Step 2: Convert to fraction form
    1,557,511.92/2,148,533.64 = 1,074,316.14/x
  3. Step 3: Cross multiply
    1,557,511.92x = 2,148,533.64 × 1,074,316.14
  4. Step 4: Simplify right side
    1,557,511.92x = 2,308,204,366,784.95
  5. Step 5: Solve for x
    x = 2,308,204,366,784.95/1,557,511.92
  6. Step 6: Final answer
    x = 1,481,981.83

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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.