Home / 3,112,813.40-4,669,365.90-983,064.20

Finding the Fourth Proportional to 3,112,813.40, 4,669,365.90 and 983,064.20

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Solution

The fourth proportional to 3,112,813.40, 4,669,365.90 and 983,064.20 is: 1,474,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,813.40 : 4,669,365.90 = 983,064.20 : x
  2. Step 2: Convert to fraction form
    3,112,813.40/4,669,365.90 = 983,064.20/x
  3. Step 3: Cross multiply
    3,112,813.40x = 4,669,365.90 × 983,064.20
  4. Step 4: Simplify right side
    3,112,813.40x = 4,590,286,452,990.78
  5. Step 5: Solve for x
    x = 4,590,286,452,990.78/3,112,813.40
  6. Step 6: Final answer
    x = 1,474,642.35

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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.