Home / 5,390,157.90-8,085,366.45-1,603,764.30

Finding the Fourth Proportional to 5,390,157.90, 8,085,366.45 and 1,603,764.30

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Solution

The fourth proportional to 5,390,157.90, 8,085,366.45 and 1,603,764.30 is: 2,405,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,157.90 : 8,085,366.45 = 1,603,764.30 : x
  2. Step 2: Convert to fraction form
    5,390,157.90/8,085,366.45 = 1,603,764.30/x
  3. Step 3: Cross multiply
    5,390,157.90x = 8,085,366.45 × 1,603,764.30
  4. Step 4: Simplify right side
    5,390,157.90x = 12,967,022,064,927.74
  5. Step 5: Solve for x
    x = 12,967,022,064,927.74/5,390,157.90
  6. Step 6: Final answer
    x = 2,405,685.01

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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.