Home / 1,936,666.70-2,905,000.05-989,722.70

Finding the Fourth Proportional to 1,936,666.70, 2,905,000.05 and 989,722.70

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Solution

The fourth proportional to 1,936,666.70, 2,905,000.05 and 989,722.70 is: 1,484,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,666.70 : 2,905,000.05 = 989,722.70 : x
  2. Step 2: Convert to fraction form
    1,936,666.70/2,905,000.05 = 989,722.70/x
  3. Step 3: Cross multiply
    1,936,666.70x = 2,905,000.05 × 989,722.70
  4. Step 4: Simplify right side
    1,936,666.70x = 2,875,144,492,986.14
  5. Step 5: Solve for x
    x = 2,875,144,492,986.14/1,936,666.70
  6. Step 6: Final answer
    x = 1,484,584.05

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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.