Finding the Fourth Proportional to 2,612,214.15, 3,916,812.61 and 1,012,908.84
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Solution
The fourth proportional to 2,612,214.15, 3,916,812.61 and 1,012,908.84 is: 1,518,778.28
Step by Step Solution
- Step 1: Write the proportion equation
2,612,214.15 : 3,916,812.61 = 1,012,908.84 : x - Step 2: Convert to fraction form
2,612,214.15/3,916,812.61 = 1,012,908.84/x - Step 3: Cross multiply
2,612,214.15x = 3,916,812.61 × 1,012,908.84 - Step 4: Simplify right side
2,612,214.15x = 3,967,374,117,292.47 - Step 5: Solve for x
x = 3,967,374,117,292.47/2,612,214.15 - Step 6: Final answer
x = 1,518,778.28
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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.