Home / 3,113,121.63-4,295,451.57-1,890,070.23

Finding the Fourth Proportional to 3,113,121.63, 4,295,451.57 and 1,890,070.23

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Solution

The fourth proportional to 3,113,121.63, 4,295,451.57 and 1,890,070.23 is: 2,607,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,121.63 : 4,295,451.57 = 1,890,070.23 : x
  2. Step 2: Convert to fraction form
    3,113,121.63/4,295,451.57 = 1,890,070.23/x
  3. Step 3: Cross multiply
    3,113,121.63x = 4,295,451.57 × 1,890,070.23
  4. Step 4: Simplify right side
    3,113,121.63x = 8,118,705,136,863.76
  5. Step 5: Solve for x
    x = 8,118,705,136,863.76/3,113,121.63
  6. Step 6: Final answer
    x = 2,607,898.47

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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.