Home / 5,157,239.40-7,733,890.80-1,561,811.40

Finding the Fourth Proportional to 5,157,239.40, 7,733,890.80 and 1,561,811.40

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Solution

The fourth proportional to 5,157,239.40, 7,733,890.80 and 1,561,811.40 is: 2,342,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,239.40 : 7,733,890.80 = 1,561,811.40 : x
  2. Step 2: Convert to fraction form
    5,157,239.40/7,733,890.80 = 1,561,811.40/x
  3. Step 3: Cross multiply
    5,157,239.40x = 7,733,890.80 × 1,561,811.40
  4. Step 4: Simplify right side
    5,157,239.40x = 12,078,878,817,795.12
  5. Step 5: Solve for x
    x = 12,078,878,817,795.12/5,157,239.40
  6. Step 6: Final answer
    x = 2,342,121.02

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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.