Finding the Fourth Proportional to 1,636,534.24, 2,258,399.04 and 911,366.08
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Solution
The fourth proportional to 1,636,534.24, 2,258,399.04 and 911,366.08 is: 1,257,675.05
Step by Step Solution
- Step 1: Write the proportion equation
1,636,534.24 : 2,258,399.04 = 911,366.08 : x - Step 2: Convert to fraction form
1,636,534.24/2,258,399.04 = 911,366.08/x - Step 3: Cross multiply
1,636,534.24x = 2,258,399.04 × 911,366.08 - Step 4: Simplify right side
1,636,534.24x = 2,058,228,280,160.56 - Step 5: Solve for x
x = 2,058,228,280,160.56/1,636,534.24 - Step 6: Final answer
x = 1,257,675.05
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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.