Finding the Fourth Proportional to 1,636,698.24, 2,258,713.67 and 911,545.92
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Solution
The fourth proportional to 1,636,698.24, 2,258,713.67 and 911,545.92 is: 1,257,972.41
Step by Step Solution
- Step 1: Write the proportion equation
1,636,698.24 : 2,258,713.67 = 911,545.92 : x - Step 2: Convert to fraction form
1,636,698.24/2,258,713.67 = 911,545.92/x - Step 3: Cross multiply
1,636,698.24x = 2,258,713.67 × 911,545.92 - Step 4: Simplify right side
1,636,698.24x = 2,058,921,225,779.00 - Step 5: Solve for x
x = 2,058,921,225,779.00/1,636,698.24 - Step 6: Final answer
x = 1,257,972.41
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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.