Finding the Fourth Proportional to 1,445,601.99, 2,167,981.30 and 485,949.12
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Solution
The fourth proportional to 1,445,601.99, 2,167,981.30 and 485,949.12 is: 728,781.93
Step by Step Solution
- Step 1: Write the proportion equation
1,445,601.99 : 2,167,981.30 = 485,949.12 : x - Step 2: Convert to fraction form
1,445,601.99/2,167,981.30 = 485,949.12/x - Step 3: Cross multiply
1,445,601.99x = 2,167,981.30 × 485,949.12 - Step 4: Simplify right side
1,445,601.99x = 1,053,528,609,583.86 - Step 5: Solve for x
x = 1,053,528,609,583.86/1,445,601.99 - Step 6: Final answer
x = 728,781.93
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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.