Finding the Fourth Proportional to 3,903,138.17, 5,386,894.08 and 2,248,968.47
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Solution
The fourth proportional to 3,903,138.17, 5,386,894.08 and 2,248,968.47 is: 3,103,901.12
Step by Step Solution
- Step 1: Write the proportion equation
3,903,138.17 : 5,386,894.08 = 2,248,968.47 : x - Step 2: Convert to fraction form
3,903,138.17/5,386,894.08 = 2,248,968.47/x - Step 3: Cross multiply
3,903,138.17x = 5,386,894.08 × 2,248,968.47 - Step 4: Simplify right side
3,903,138.17x = 12,114,954,937,149.66 - Step 5: Solve for x
x = 12,114,954,937,149.66/3,903,138.17 - Step 6: Final answer
x = 3,103,901.12
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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.