Finding the Fourth Proportional to 4,982,551.82, 6,875,921.47 and 2,690,712.30
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Solution
The fourth proportional to 4,982,551.82, 6,875,921.47 and 2,690,712.30 is: 3,713,182.96
Step by Step Solution
- Step 1: Write the proportion equation
4,982,551.82 : 6,875,921.47 = 2,690,712.30 : x - Step 2: Convert to fraction form
4,982,551.82/6,875,921.47 = 2,690,712.30/x - Step 3: Cross multiply
4,982,551.82x = 6,875,921.47 × 2,690,712.30 - Step 4: Simplify right side
4,982,551.82x = 18,501,126,497,266.09 - Step 5: Solve for x
x = 18,501,126,497,266.09/4,982,551.82 - Step 6: Final answer
x = 3,713,182.96
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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.