Finding the Fourth Proportional to 4,877,143.68, 6,730,457.25 and 2,672,084.79
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Solution
The fourth proportional to 4,877,143.68, 6,730,457.25 and 2,672,084.79 is: 3,687,476.45
Step by Step Solution
- Step 1: Write the proportion equation
4,877,143.68 : 6,730,457.25 = 2,672,084.79 : x - Step 2: Convert to fraction form
4,877,143.68/6,730,457.25 = 2,672,084.79/x - Step 3: Cross multiply
4,877,143.68x = 6,730,457.25 × 2,672,084.79 - Step 4: Simplify right side
4,877,143.68x = 17,984,352,447,470.23 - Step 5: Solve for x
x = 17,984,352,447,470.23/4,877,143.68 - Step 6: Final answer
x = 3,687,476.45
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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.