Home / 3,113,646.40-4,670,615.40-983,897.20

Finding the Fourth Proportional to 3,113,646.40, 4,670,615.40 and 983,897.20

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Solution

The fourth proportional to 3,113,646.40, 4,670,615.40 and 983,897.20 is: 1,475,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,646.40 : 4,670,615.40 = 983,897.20 : x
  2. Step 2: Convert to fraction form
    3,113,646.40/4,670,615.40 = 983,897.20/x
  3. Step 3: Cross multiply
    3,113,646.40x = 4,670,615.40 × 983,897.20
  4. Step 4: Simplify right side
    3,113,646.40x = 4,595,405,414,336.88
  5. Step 5: Solve for x
    x = 4,595,405,414,336.88/3,113,646.40
  6. Step 6: Final answer
    x = 1,475,891.87

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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.