Home / 3,427,485.02-5,136,175.54-1,909,077.65

Finding the Fourth Proportional to 3,427,485.02, 5,136,175.54 and 1,909,077.65

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Solution

The fourth proportional to 3,427,485.02, 5,136,175.54 and 1,909,077.65 is: 2,860,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,485.02 : 5,136,175.54 = 1,909,077.65 : x
  2. Step 2: Convert to fraction form
    3,427,485.02/5,136,175.54 = 1,909,077.65/x
  3. Step 3: Cross multiply
    3,427,485.02x = 5,136,175.54 × 1,909,077.65
  4. Step 4: Simplify right side
    3,427,485.02x = 9,805,357,929,890.68
  5. Step 5: Solve for x
    x = 9,805,357,929,890.68/3,427,485.02
  6. Step 6: Final answer
    x = 2,860,802.56

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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.