Home / 1,580,618.60-2,181,675.30-976,665.32

Finding the Fourth Proportional to 1,580,618.60, 2,181,675.30 and 976,665.32

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Solution

The fourth proportional to 1,580,618.60, 2,181,675.30 and 976,665.32 is: 1,348,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,618.60 : 2,181,675.30 = 976,665.32 : x
  2. Step 2: Convert to fraction form
    1,580,618.60/2,181,675.30 = 976,665.32/x
  3. Step 3: Cross multiply
    1,580,618.60x = 2,181,675.30 × 976,665.32
  4. Step 4: Simplify right side
    1,580,618.60x = 2,130,766,605,010.60
  5. Step 5: Solve for x
    x = 2,130,766,605,010.60/1,580,618.60
  6. Step 6: Final answer
    x = 1,348,058.67

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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.