Home / 6,380,386.02-8,802,709.29-4,089,809.70

Finding the Fourth Proportional to 6,380,386.02, 8,802,709.29 and 4,089,809.70

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Solution

The fourth proportional to 6,380,386.02, 8,802,709.29 and 4,089,809.70 is: 5,642,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,386.02 : 8,802,709.29 = 4,089,809.70 : x
  2. Step 2: Convert to fraction form
    6,380,386.02/8,802,709.29 = 4,089,809.70/x
  3. Step 3: Cross multiply
    6,380,386.02x = 8,802,709.29 × 4,089,809.70
  4. Step 4: Simplify right side
    6,380,386.02x = 36,001,405,840,522.11
  5. Step 5: Solve for x
    x = 36,001,405,840,522.11/6,380,386.02
  6. Step 6: Final answer
    x = 5,642,512.18

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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.