Finding the Fourth Proportional to 5,348,663.28, 7,381,111.68 and 2,901,268.17
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Solution
The fourth proportional to 5,348,663.28, 7,381,111.68 and 2,901,268.17 is: 4,003,726.40
Step by Step Solution
- Step 1: Write the proportion equation
5,348,663.28 : 7,381,111.68 = 2,901,268.17 : x - Step 2: Convert to fraction form
5,348,663.28/7,381,111.68 = 2,901,268.17/x - Step 3: Cross multiply
5,348,663.28x = 7,381,111.68 × 2,901,268.17 - Step 4: Simplify right side
5,348,663.28x = 21,414,584,376,399.22 - Step 5: Solve for x
x = 21,414,584,376,399.22/5,348,663.28 - Step 6: Final answer
x = 4,003,726.40
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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.