Home / 2,638,847.51-3,642,001.20-1,672,068.36

Finding the Fourth Proportional to 2,638,847.51, 3,642,001.20 and 1,672,068.36

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Solution

The fourth proportional to 2,638,847.51, 3,642,001.20 and 1,672,068.36 is: 2,307,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,847.51 : 3,642,001.20 = 1,672,068.36 : x
  2. Step 2: Convert to fraction form
    2,638,847.51/3,642,001.20 = 1,672,068.36/x
  3. Step 3: Cross multiply
    2,638,847.51x = 3,642,001.20 × 1,672,068.36
  4. Step 4: Simplify right side
    2,638,847.51x = 6,089,674,973,602.03
  5. Step 5: Solve for x
    x = 6,089,674,973,602.03/2,638,847.51
  6. Step 6: Final answer
    x = 2,307,702.50

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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.