Finding the Fourth Proportional to 1,590,837.27, 2,195,401.62 and 865,731.75
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Solution
The fourth proportional to 1,590,837.27, 2,195,401.62 and 865,731.75 is: 1,194,734.95
Step by Step Solution
- Step 1: Write the proportion equation
1,590,837.27 : 2,195,401.62 = 865,731.75 : x - Step 2: Convert to fraction form
1,590,837.27/2,195,401.62 = 865,731.75/x - Step 3: Cross multiply
1,590,837.27x = 2,195,401.62 × 865,731.75 - Step 4: Simplify right side
1,590,837.27x = 1,900,628,881,449.17 - Step 5: Solve for x
x = 1,900,628,881,449.17/1,590,837.27 - Step 6: Final answer
x = 1,194,734.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.