Finding the Fourth Proportional to 4,537,645.92, 6,261,871.05 and 2,472,679.71
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Solution
The fourth proportional to 4,537,645.92, 6,261,871.05 and 2,472,679.71 is: 3,412,254.23
Step by Step Solution
- Step 1: Write the proportion equation
4,537,645.92 : 6,261,871.05 = 2,472,679.71 : x - Step 2: Convert to fraction form
4,537,645.92/6,261,871.05 = 2,472,679.71/x - Step 3: Cross multiply
4,537,645.92x = 6,261,871.05 × 2,472,679.71 - Step 4: Simplify right side
4,537,645.92x = 15,483,601,491,971.39 - Step 5: Solve for x
x = 15,483,601,491,971.39/4,537,645.92 - Step 6: Final answer
x = 3,412,254.23
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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.