Finding the Fourth Proportional to 4,640,253.67, 6,404,319.69 and 2,706,514.19
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Solution
The fourth proportional to 4,640,253.67, 6,404,319.69 and 2,706,514.19 is: 3,735,438.48
Step by Step Solution
- Step 1: Write the proportion equation
4,640,253.67 : 6,404,319.69 = 2,706,514.19 : x - Step 2: Convert to fraction form
4,640,253.67/6,404,319.69 = 2,706,514.19/x - Step 3: Cross multiply
4,640,253.67x = 6,404,319.69 × 2,706,514.19 - Step 4: Simplify right side
4,640,253.67x = 17,333,382,118,281.40 - Step 5: Solve for x
x = 17,333,382,118,281.40/4,640,253.67 - Step 6: Final answer
x = 3,735,438.48
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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.