Home / 5,186,701.56-7,774,731.54-1,990,967.16

Finding the Fourth Proportional to 5,186,701.56, 7,774,731.54 and 1,990,967.16

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Solution

The fourth proportional to 5,186,701.56, 7,774,731.54 and 1,990,967.16 is: 2,984,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,701.56 : 7,774,731.54 = 1,990,967.16 : x
  2. Step 2: Convert to fraction form
    5,186,701.56/7,774,731.54 = 1,990,967.16/x
  3. Step 3: Cross multiply
    5,186,701.56x = 7,774,731.54 × 1,990,967.16
  4. Step 4: Simplify right side
    5,186,701.56x = 15,479,235,173,956.23
  5. Step 5: Solve for x
    x = 15,479,235,173,956.23/5,186,701.56
  6. Step 6: Final answer
    x = 2,984,408.30

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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.