Home / 2,989,853.70-4,484,051.55-859,715.70

Finding the Fourth Proportional to 2,989,853.70, 4,484,051.55 and 859,715.70

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Solution

The fourth proportional to 2,989,853.70, 4,484,051.55 and 859,715.70 is: 1,289,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,853.70 : 4,484,051.55 = 859,715.70 : x
  2. Step 2: Convert to fraction form
    2,989,853.70/4,484,051.55 = 859,715.70/x
  3. Step 3: Cross multiply
    2,989,853.70x = 4,484,051.55 × 859,715.70
  4. Step 4: Simplify right side
    2,989,853.70x = 3,855,009,517,144.33
  5. Step 5: Solve for x
    x = 3,855,009,517,144.33/2,989,853.70
  6. Step 6: Final answer
    x = 1,289,363.93

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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.