Finding the Fourth Proportional to 1,436,881.75, 2,155,322.63 and 584,417.20
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Solution
The fourth proportional to 1,436,881.75, 2,155,322.63 and 584,417.20 is: 876,625.80
Step by Step Solution
- Step 1: Write the proportion equation
1,436,881.75 : 2,155,322.63 = 584,417.20 : x - Step 2: Convert to fraction form
1,436,881.75/2,155,322.63 = 584,417.20/x - Step 3: Cross multiply
1,436,881.75x = 2,155,322.63 × 584,417.20 - Step 4: Simplify right side
1,436,881.75x = 1,259,607,616,521.24 - Step 5: Solve for x
x = 1,259,607,616,521.24/1,436,881.75 - Step 6: Final answer
x = 876,625.80
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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.