Finding the Fourth Proportional to 1,600,252.30, 2,208,386.52 and 911,909.44
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Solution
The fourth proportional to 1,600,252.30, 2,208,386.52 and 911,909.44 is: 1,258,456.88
Step by Step Solution
- Step 1: Write the proportion equation
1,600,252.30 : 2,208,386.52 = 911,909.44 : x - Step 2: Convert to fraction form
1,600,252.30/2,208,386.52 = 911,909.44/x - Step 3: Cross multiply
1,600,252.30x = 2,208,386.52 × 911,909.44 - Step 4: Simplify right side
1,600,252.30x = 2,013,848,509,235.78 - Step 5: Solve for x
x = 2,013,848,509,235.78/1,600,252.30 - Step 6: Final answer
x = 1,258,456.88
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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.