Finding the Fourth Proportional to 4,378,411.57, 6,042,581.61 and 2,445,045.84
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Solution
The fourth proportional to 4,378,411.57, 6,042,581.61 and 2,445,045.84 is: 3,374,371.91
Step by Step Solution
- Step 1: Write the proportion equation
4,378,411.57 : 6,042,581.61 = 2,445,045.84 : x - Step 2: Convert to fraction form
4,378,411.57/6,042,581.61 = 2,445,045.84/x - Step 3: Cross multiply
4,378,411.57x = 6,042,581.61 × 2,445,045.84 - Step 4: Simplify right side
4,378,411.57x = 14,774,389,028,391.00 - Step 5: Solve for x
x = 14,774,389,028,391.00/4,378,411.57 - Step 6: Final answer
x = 3,374,371.91
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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.