Finding the Fourth Proportional to 6,497,516.91, 8,966,679.50 and 3,557,284.95
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Solution
The fourth proportional to 6,497,516.91, 8,966,679.50 and 3,557,284.95 is: 4,909,111.35
Step by Step Solution
- Step 1: Write the proportion equation
6,497,516.91 : 8,966,679.50 = 3,557,284.95 : x - Step 2: Convert to fraction form
6,497,516.91/8,966,679.50 = 3,557,284.95/x - Step 3: Cross multiply
6,497,516.91x = 8,966,679.50 × 3,557,284.95 - Step 4: Simplify right side
6,497,516.91x = 31,897,034,008,894.48 - Step 5: Solve for x
x = 31,897,034,008,894.48/6,497,516.91 - Step 6: Final answer
x = 4,909,111.35
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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.