Finding the Fourth Proportional to 1,636,703.74, 2,258,721.26 and 911,551.42
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Solution
The fourth proportional to 1,636,703.74, 2,258,721.26 and 911,551.42 is: 1,257,980.00
Step by Step Solution
- Step 1: Write the proportion equation
1,636,703.74 : 2,258,721.26 = 911,551.42 : x - Step 2: Convert to fraction form
1,636,703.74/2,258,721.26 = 911,551.42/x - Step 3: Cross multiply
1,636,703.74x = 2,258,721.26 × 911,551.42 - Step 4: Simplify right side
1,636,703.74x = 2,058,940,571,937.19 - Step 5: Solve for x
x = 2,058,940,571,937.19/1,636,703.74 - Step 6: Final answer
x = 1,257,980.00
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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.