Home / 3,158,803.88-4,739,045.88-999,870.36

Finding the Fourth Proportional to 3,158,803.88, 4,739,045.88 and 999,870.36

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Solution

The fourth proportional to 3,158,803.88, 4,739,045.88 and 999,870.36 is: 1,500,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,803.88 : 4,739,045.88 = 999,870.36 : x
  2. Step 2: Convert to fraction form
    3,158,803.88/4,739,045.88 = 999,870.36/x
  3. Step 3: Cross multiply
    3,158,803.88x = 4,739,045.88 × 999,870.36
  4. Step 4: Simplify right side
    3,158,803.88x = 4,738,431,510,092.12
  5. Step 5: Solve for x
    x = 4,738,431,510,092.12/3,158,803.88
  6. Step 6: Final answer
    x = 1,500,071.45

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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.