Finding the Fourth Proportional to 5,326,962.52, 7,990,677.06 and 1,540,828.12
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Solution
The fourth proportional to 5,326,962.52, 7,990,677.06 and 1,540,828.12 is: 2,311,309.66
Step by Step Solution
- Step 1: Write the proportion equation
5,326,962.52 : 7,990,677.06 = 1,540,828.12 : x - Step 2: Convert to fraction form
5,326,962.52/7,990,677.06 = 1,540,828.12/x - Step 3: Cross multiply
5,326,962.52x = 7,990,677.06 × 1,540,828.12 - Step 4: Simplify right side
5,326,962.52x = 12,312,259,911,886.93 - Step 5: Solve for x
x = 12,312,259,911,886.93/5,326,962.52 - Step 6: Final answer
x = 2,311,309.66
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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.