Finding the Fourth Proportional to 1,874,386.20, 2,586,597.66 and 1,058,623.32
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Solution
The fourth proportional to 1,874,386.20, 2,586,597.66 and 1,058,623.32 is: 1,460,868.95
Step by Step Solution
- Step 1: Write the proportion equation
1,874,386.20 : 2,586,597.66 = 1,058,623.32 : x - Step 2: Convert to fraction form
1,874,386.20/2,586,597.66 = 1,058,623.32/x - Step 3: Cross multiply
1,874,386.20x = 2,586,597.66 × 1,058,623.32 - Step 4: Simplify right side
1,874,386.20x = 2,738,232,602,333.43 - Step 5: Solve for x
x = 2,738,232,602,333.43/1,874,386.20 - Step 6: Final answer
x = 1,460,868.95
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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.