Finding the Fourth Proportional to 4,984,385.18, 6,878,654.04 and 2,809,020.02
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Solution
The fourth proportional to 4,984,385.18, 6,878,654.04 and 2,809,020.02 is: 3,876,561.74
Step by Step Solution
- Step 1: Write the proportion equation
4,984,385.18 : 6,878,654.04 = 2,809,020.02 : x - Step 2: Convert to fraction form
4,984,385.18/6,878,654.04 = 2,809,020.02/x - Step 3: Cross multiply
4,984,385.18x = 6,878,654.04 × 2,809,020.02 - Step 4: Simplify right side
4,984,385.18x = 19,322,276,909,013.88 - Step 5: Solve for x
x = 19,322,276,909,013.88/4,984,385.18 - Step 6: Final answer
x = 3,876,561.74
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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.