Home / 2,550,971.40-3,520,589.34-1,905,271.08

Finding the Fourth Proportional to 2,550,971.40, 3,520,589.34 and 1,905,271.08

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Solution

The fourth proportional to 2,550,971.40, 3,520,589.34 and 1,905,271.08 is: 2,629,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,971.40 : 3,520,589.34 = 1,905,271.08 : x
  2. Step 2: Convert to fraction form
    2,550,971.40/3,520,589.34 = 1,905,271.08/x
  3. Step 3: Cross multiply
    2,550,971.40x = 3,520,589.34 × 1,905,271.08
  4. Step 4: Simplify right side
    2,550,971.40x = 6,707,677,054,058.29
  5. Step 5: Solve for x
    x = 6,707,677,054,058.29/2,550,971.40
  6. Step 6: Final answer
    x = 2,629,459.92

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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.