Finding the Fourth Proportional to 1,406,963.12, 2,110,445.52 and 988,108.88
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Solution
The fourth proportional to 1,406,963.12, 2,110,445.52 and 988,108.88 is: 1,482,163.91
Step by Step Solution
- Step 1: Write the proportion equation
1,406,963.12 : 2,110,445.52 = 988,108.88 : x - Step 2: Convert to fraction form
1,406,963.12/2,110,445.52 = 988,108.88/x - Step 3: Cross multiply
1,406,963.12x = 2,110,445.52 × 988,108.88 - Step 4: Simplify right side
1,406,963.12x = 2,085,349,959,068.22 - Step 5: Solve for x
x = 2,085,349,959,068.22/1,406,963.12 - Step 6: Final answer
x = 1,482,163.91
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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.