Home / 1,916,034.81-2,874,274.56-636,756.45

Finding the Fourth Proportional to 1,916,034.81, 2,874,274.56 and 636,756.45

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Solution

The fourth proportional to 1,916,034.81, 2,874,274.56 and 636,756.45 is: 955,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,034.81 : 2,874,274.56 = 636,756.45 : x
  2. Step 2: Convert to fraction form
    1,916,034.81/2,874,274.56 = 636,756.45/x
  3. Step 3: Cross multiply
    1,916,034.81x = 2,874,274.56 × 636,756.45
  4. Step 4: Simplify right side
    1,916,034.81x = 1,830,212,865,150.91
  5. Step 5: Solve for x
    x = 1,830,212,865,150.91/1,916,034.81
  6. Step 6: Final answer
    x = 955,208.57

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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.