Finding the Fourth Proportional to 5,326,959.02, 7,990,671.81 and 1,540,824.62
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Solution
The fourth proportional to 5,326,959.02, 7,990,671.81 and 1,540,824.62 is: 2,311,304.41
Step by Step Solution
- Step 1: Write the proportion equation
5,326,959.02 : 7,990,671.81 = 1,540,824.62 : x - Step 2: Convert to fraction form
5,326,959.02/7,990,671.81 = 1,540,824.62/x - Step 3: Cross multiply
5,326,959.02x = 7,990,671.81 × 1,540,824.62 - Step 4: Simplify right side
5,326,959.02x = 12,312,223,855,187.96 - Step 5: Solve for x
x = 12,312,223,855,187.96/5,326,959.02 - Step 6: Final answer
x = 2,311,304.41
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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.