Finding the Fourth Proportional to 1,636,695.99, 2,258,710.56 and 911,543.67
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Solution
The fourth proportional to 1,636,695.99, 2,258,710.56 and 911,543.67 is: 1,257,969.30
Step by Step Solution
- Step 1: Write the proportion equation
1,636,695.99 : 2,258,710.56 = 911,543.67 : x - Step 2: Convert to fraction form
1,636,695.99/2,258,710.56 = 911,543.67/x - Step 3: Cross multiply
1,636,695.99x = 2,258,710.56 × 911,543.67 - Step 4: Simplify right side
1,636,695.99x = 2,058,913,313,330.16 - Step 5: Solve for x
x = 2,058,913,313,330.16/1,636,695.99 - Step 6: Final answer
x = 1,257,969.30
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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.