Home / 1,915,901.37-2,874,074.40-636,623.01

Finding the Fourth Proportional to 1,915,901.37, 2,874,074.40 and 636,623.01

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Solution

The fourth proportional to 1,915,901.37, 2,874,074.40 and 636,623.01 is: 955,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,901.37 : 2,874,074.40 = 636,623.01 : x
  2. Step 2: Convert to fraction form
    1,915,901.37/2,874,074.40 = 636,623.01/x
  3. Step 3: Cross multiply
    1,915,901.37x = 2,874,074.40 × 636,623.01
  4. Step 4: Simplify right side
    1,915,901.37x = 1,829,701,895,491.94
  5. Step 5: Solve for x
    x = 1,829,701,895,491.94/1,915,901.37
  6. Step 6: Final answer
    x = 955,008.40

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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.