Finding the Fourth Proportional to 1,675,545.21, 2,312,262.45 and 911,604.24
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Solution
The fourth proportional to 1,675,545.21, 2,312,262.45 and 911,604.24 is: 1,258,019.32
Step by Step Solution
- Step 1: Write the proportion equation
1,675,545.21 : 2,312,262.45 = 911,604.24 : x - Step 2: Convert to fraction form
1,675,545.21/2,312,262.45 = 911,604.24/x - Step 3: Cross multiply
1,675,545.21x = 2,312,262.45 × 911,604.24 - Step 4: Simplify right side
1,675,545.21x = 2,107,868,253,412.79 - Step 5: Solve for x
x = 2,107,868,253,412.79/1,675,545.21 - Step 6: Final answer
x = 1,258,019.32
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1.5x scale
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.