Finding the Fourth Proportional to 6,692,811.13, 9,236,866.68 and 3,976,557.13
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Solution
The fourth proportional to 6,692,811.13, 9,236,866.68 and 3,976,557.13 is: 5,488,116.62
Step by Step Solution
- Step 1: Write the proportion equation
6,692,811.13 : 9,236,866.68 = 3,976,557.13 : x - Step 2: Convert to fraction form
6,692,811.13/9,236,866.68 = 3,976,557.13/x - Step 3: Cross multiply
6,692,811.13x = 9,236,866.68 × 3,976,557.13 - Step 4: Simplify right side
6,692,811.13x = 36,730,927,989,146.31 - Step 5: Solve for x
x = 36,730,927,989,146.31/6,692,811.13 - Step 6: Final answer
x = 5,488,116.62
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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.