Finding the Fourth Proportional to 5,027,062.74, 6,938,058.15 and 2,852,144.70
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Solution
The fourth proportional to 5,027,062.74, 6,938,058.15 and 2,852,144.70 is: 3,936,363.40
Step by Step Solution
- Step 1: Write the proportion equation
5,027,062.74 : 6,938,058.15 = 2,852,144.70 : x - Step 2: Convert to fraction form
5,027,062.74/6,938,058.15 = 2,852,144.70/x - Step 3: Cross multiply
5,027,062.74x = 6,938,058.15 × 2,852,144.70 - Step 4: Simplify right side
5,027,062.74x = 19,788,345,780,814.31 - Step 5: Solve for x
x = 19,788,345,780,814.31/5,027,062.74 - Step 6: Final answer
x = 3,936,363.40
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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.