Home / 1,916,035.81-2,874,276.06-636,757.45

Finding the Fourth Proportional to 1,916,035.81, 2,874,276.06 and 636,757.45

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Solution

The fourth proportional to 1,916,035.81, 2,874,276.06 and 636,757.45 is: 955,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,035.81 : 2,874,276.06 = 636,757.45 : x
  2. Step 2: Convert to fraction form
    1,916,035.81/2,874,276.06 = 636,757.45/x
  3. Step 3: Cross multiply
    1,916,035.81x = 2,874,276.06 × 636,757.45
  4. Step 4: Simplify right side
    1,916,035.81x = 1,830,216,694,561.65
  5. Step 5: Solve for x
    x = 1,830,216,694,561.65/1,916,035.81
  6. Step 6: Final answer
    x = 955,210.07

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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.