Finding the Fourth Proportional to 1,590,838.95, 2,195,403.95 and 865,733.43
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Solution
The fourth proportional to 1,590,838.95, 2,195,403.95 and 865,733.43 is: 1,194,737.28
Step by Step Solution
- Step 1: Write the proportion equation
1,590,838.95 : 2,195,403.95 = 865,733.43 : x - Step 2: Convert to fraction form
1,590,838.95/2,195,403.95 = 865,733.43/x - Step 3: Cross multiply
1,590,838.95x = 2,195,403.95 × 865,733.43 - Step 4: Simplify right side
1,590,838.95x = 1,900,634,602,266.15 - Step 5: Solve for x
x = 1,900,634,602,266.15/1,590,838.95 - Step 6: Final answer
x = 1,194,737.28
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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.