Home / 3,112,812.40-4,669,364.40-983,063.20

Finding the Fourth Proportional to 3,112,812.40, 4,669,364.40 and 983,063.20

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Solution

The fourth proportional to 3,112,812.40, 4,669,364.40 and 983,063.20 is: 1,474,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,812.40 : 4,669,364.40 = 983,063.20 : x
  2. Step 2: Convert to fraction form
    3,112,812.40/4,669,364.40 = 983,063.20/x
  3. Step 3: Cross multiply
    3,112,812.40x = 4,669,364.40 × 983,063.20
  4. Step 4: Simplify right side
    3,112,812.40x = 4,590,280,309,030.08
  5. Step 5: Solve for x
    x = 4,590,280,309,030.08/3,112,812.40
  6. Step 6: Final answer
    x = 1,474,640.85

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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.