Home / 1,916,886.24-2,874,250.44-636,808.50

Finding the Fourth Proportional to 1,916,886.24, 2,874,250.44 and 636,808.50

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Solution

The fourth proportional to 1,916,886.24, 2,874,250.44 and 636,808.50 is: 954,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,886.24 : 2,874,250.44 = 636,808.50 : x
  2. Step 2: Convert to fraction form
    1,916,886.24/2,874,250.44 = 636,808.50/x
  3. Step 3: Cross multiply
    1,916,886.24x = 2,874,250.44 × 636,808.50
  4. Step 4: Simplify right side
    1,916,886.24x = 1,830,347,111,320.74
  5. Step 5: Solve for x
    x = 1,830,347,111,320.74/1,916,886.24
  6. Step 6: Final answer
    x = 954,854.32

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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.