Finding the Fourth Proportional to 4,988,654.40, 6,884,353.17 and 2,696,815.02
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Solution
The fourth proportional to 4,988,654.40, 6,884,353.17 and 2,696,815.02 is: 3,721,610.19
Step by Step Solution
- Step 1: Write the proportion equation
4,988,654.40 : 6,884,353.17 = 2,696,815.02 : x - Step 2: Convert to fraction form
4,988,654.40/6,884,353.17 = 2,696,815.02/x - Step 3: Cross multiply
4,988,654.40x = 6,884,353.17 × 2,696,815.02 - Step 4: Simplify right side
4,988,654.40x = 18,565,827,031,840.61 - Step 5: Solve for x
x = 18,565,827,031,840.61/4,988,654.40 - Step 6: Final answer
x = 3,721,610.19
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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.