Home / 3,118,037.50-4,302,904.71-1,687,253.50

Finding the Fourth Proportional to 3,118,037.50, 4,302,904.71 and 1,687,253.50

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Solution

The fourth proportional to 3,118,037.50, 4,302,904.71 and 1,687,253.50 is: 2,328,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,037.50 : 4,302,904.71 = 1,687,253.50 : x
  2. Step 2: Convert to fraction form
    3,118,037.50/4,302,904.71 = 1,687,253.50/x
  3. Step 3: Cross multiply
    3,118,037.50x = 4,302,904.71 × 1,687,253.50
  4. Step 4: Simplify right side
    3,118,037.50x = 7,260,091,032,113.99
  5. Step 5: Solve for x
    x = 7,260,091,032,113.99/3,118,037.50
  6. Step 6: Final answer
    x = 2,328,416.84

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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.