Home / 3,137,845.02-4,709,289.45-1,621,971.90

Finding the Fourth Proportional to 3,137,845.02, 4,709,289.45 and 1,621,971.90

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Solution

The fourth proportional to 3,137,845.02, 4,709,289.45 and 1,621,971.90 is: 2,434,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,845.02 : 4,709,289.45 = 1,621,971.90 : x
  2. Step 2: Convert to fraction form
    3,137,845.02/4,709,289.45 = 1,621,971.90/x
  3. Step 3: Cross multiply
    3,137,845.02x = 4,709,289.45 × 1,621,971.90
  4. Step 4: Simplify right side
    3,137,845.02x = 7,638,335,156,866.46
  5. Step 5: Solve for x
    x = 7,638,335,156,866.46/3,137,845.02
  6. Step 6: Final answer
    x = 2,434,261.45

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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.