Finding the Fourth Proportional to 3,435,347.92, 5,129,888.42 and 2,805,511.12
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Solution
The fourth proportional to 3,435,347.92, 5,129,888.42 and 2,805,511.12 is: 4,189,374.51
Step by Step Solution
- Step 1: Write the proportion equation
3,435,347.92 : 5,129,888.42 = 2,805,511.12 : x - Step 2: Convert to fraction form
3,435,347.92/5,129,888.42 = 2,805,511.12/x - Step 3: Cross multiply
3,435,347.92x = 5,129,888.42 × 2,805,511.12 - Step 4: Simplify right side
3,435,347.92x = 14,391,959,006,669.23 - Step 5: Solve for x
x = 14,391,959,006,669.23/3,435,347.92 - Step 6: Final answer
x = 4,189,374.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.