Finding the Fourth Proportional to 1,680,541.98, 2,319,146.55 and 916,593.18
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Solution
The fourth proportional to 1,680,541.98, 2,319,146.55 and 916,593.18 is: 1,264,897.83
Step by Step Solution
- Step 1: Write the proportion equation
1,680,541.98 : 2,319,146.55 = 916,593.18 : x - Step 2: Convert to fraction form
1,680,541.98/2,319,146.55 = 916,593.18/x - Step 3: Cross multiply
1,680,541.98x = 2,319,146.55 × 916,593.18 - Step 4: Simplify right side
1,680,541.98x = 2,125,713,911,150.53 - Step 5: Solve for x
x = 2,125,713,911,150.53/1,680,541.98 - Step 6: Final answer
x = 1,264,897.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.