Home / 3,646,683.40-5,470,970.82-1,939,422.80

Finding the Fourth Proportional to 3,646,683.40, 5,470,970.82 and 1,939,422.80

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Solution

The fourth proportional to 3,646,683.40, 5,470,970.82 and 1,939,422.80 is: 2,909,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,683.40 : 5,470,970.82 = 1,939,422.80 : x
  2. Step 2: Convert to fraction form
    3,646,683.40/5,470,970.82 = 1,939,422.80/x
  3. Step 3: Cross multiply
    3,646,683.40x = 5,470,970.82 × 1,939,422.80
  4. Step 4: Simplify right side
    3,646,683.40x = 10,610,525,546,442.70
  5. Step 5: Solve for x
    x = 10,610,525,546,442.70/3,646,683.40
  6. Step 6: Final answer
    x = 2,909,637.16

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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.