Finding the Fourth Proportional to 3,929,470.80, 5,894,955.27 and 1,371,416.46
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Solution
The fourth proportional to 3,929,470.80, 5,894,955.27 and 1,371,416.46 is: 2,057,386.12
Step by Step Solution
- Step 1: Write the proportion equation
3,929,470.80 : 5,894,955.27 = 1,371,416.46 : x - Step 2: Convert to fraction form
3,929,470.80/5,894,955.27 = 1,371,416.46/x - Step 3: Cross multiply
3,929,470.80x = 5,894,955.27 × 1,371,416.46 - Step 4: Simplify right side
3,929,470.80x = 8,084,438,688,241.74 - Step 5: Solve for x
x = 8,084,438,688,241.74/3,929,470.80 - Step 6: Final answer
x = 2,057,386.12
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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.