Finding the Fourth Proportional to 1,476,781.44, 2,215,545.78 and 411,823.62
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Solution
The fourth proportional to 1,476,781.44, 2,215,545.78 and 411,823.62 is: 617,839.62
Step by Step Solution
- Step 1: Write the proportion equation
1,476,781.44 : 2,215,545.78 = 411,823.62 : x - Step 2: Convert to fraction form
1,476,781.44/2,215,545.78 = 411,823.62/x - Step 3: Cross multiply
1,476,781.44x = 2,215,545.78 × 411,823.62 - Step 4: Simplify right side
1,476,781.44x = 912,414,083,395.32 - Step 5: Solve for x
x = 912,414,083,395.32/1,476,781.44 - Step 6: Final answer
x = 617,839.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.