Home / 1,915,902.37-2,874,075.90-636,624.01

Finding the Fourth Proportional to 1,915,902.37, 2,874,075.90 and 636,624.01

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Solution

The fourth proportional to 1,915,902.37, 2,874,075.90 and 636,624.01 is: 955,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,902.37 : 2,874,075.90 = 636,624.01 : x
  2. Step 2: Convert to fraction form
    1,915,902.37/2,874,075.90 = 636,624.01/x
  3. Step 3: Cross multiply
    1,915,902.37x = 2,874,075.90 × 636,624.01
  4. Step 4: Simplify right side
    1,915,902.37x = 1,829,705,724,502.36
  5. Step 5: Solve for x
    x = 1,829,705,724,502.36/1,915,902.37
  6. Step 6: Final answer
    x = 955,009.90

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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.