Finding the Fourth Proportional to 4,813,613.10, 6,638,959.17 and 4,090,853.34
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Solution
The fourth proportional to 4,813,613.10, 6,638,959.17 and 4,090,853.34 is: 5,642,125.31
Step by Step Solution
- Step 1: Write the proportion equation
4,813,613.10 : 6,638,959.17 = 4,090,853.34 : x - Step 2: Convert to fraction form
4,813,613.10/6,638,959.17 = 4,090,853.34/x - Step 3: Cross multiply
4,813,613.10x = 6,638,959.17 × 4,090,853.34 - Step 4: Simplify right side
4,813,613.10x = 27,159,008,294,718.12 - Step 5: Solve for x
x = 27,159,008,294,718.12/4,813,613.10 - Step 6: Final answer
x = 5,642,125.31
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1.5x scale
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.