Home / 2,058,810.40-3,089,428.80-860,640.40

Finding the Fourth Proportional to 2,058,810.40, 3,089,428.80 and 860,640.40

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Solution

The fourth proportional to 2,058,810.40, 3,089,428.80 and 860,640.40 is: 1,291,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,810.40 : 3,089,428.80 = 860,640.40 : x
  2. Step 2: Convert to fraction form
    2,058,810.40/3,089,428.80 = 860,640.40/x
  3. Step 3: Cross multiply
    2,058,810.40x = 3,089,428.80 × 860,640.40
  4. Step 4: Simplify right side
    2,058,810.40x = 2,658,887,238,203.52
  5. Step 5: Solve for x
    x = 2,658,887,238,203.52/2,058,810.40
  6. Step 6: Final answer
    x = 1,291,467.75

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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.