Finding the Fourth Proportional to 4,442,366.49, 6,129,411.31 and 2,700,005.46
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Solution
The fourth proportional to 4,442,366.49, 6,129,411.31 and 2,700,005.46 is: 3,725,366.66
Step by Step Solution
- Step 1: Write the proportion equation
4,442,366.49 : 6,129,411.31 = 2,700,005.46 : x - Step 2: Convert to fraction form
4,442,366.49/6,129,411.31 = 2,700,005.46/x - Step 3: Cross multiply
4,442,366.49x = 6,129,411.31 × 2,700,005.46 - Step 4: Simplify right side
4,442,366.49x = 16,549,444,003,585.75 - Step 5: Solve for x
x = 16,549,444,003,585.75/4,442,366.49 - Step 6: Final answer
x = 3,725,366.66
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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.