Home / 3,118,519.92-4,303,628.10-1,830,289.44

Finding the Fourth Proportional to 3,118,519.92, 4,303,628.10 and 1,830,289.44

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Solution

The fourth proportional to 3,118,519.92, 4,303,628.10 and 1,830,289.44 is: 2,525,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,519.92 : 4,303,628.10 = 1,830,289.44 : x
  2. Step 2: Convert to fraction form
    3,118,519.92/4,303,628.10 = 1,830,289.44/x
  3. Step 3: Cross multiply
    3,118,519.92x = 4,303,628.10 × 1,830,289.44
  4. Step 4: Simplify right side
    3,118,519.92x = 7,876,885,065,117.26
  5. Step 5: Solve for x
    x = 7,876,885,065,117.26/3,118,519.92
  6. Step 6: Final answer
    x = 2,525,840.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.