Finding the Fourth Proportional to 4,989,470.68, 6,885,463.70 and 2,697,625.90
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Solution
The fourth proportional to 4,989,470.68, 6,885,463.70 and 2,697,625.90 is: 3,722,720.59
Step by Step Solution
- Step 1: Write the proportion equation
4,989,470.68 : 6,885,463.70 = 2,697,625.90 : x - Step 2: Convert to fraction form
4,989,470.68/6,885,463.70 = 2,697,625.90/x - Step 3: Cross multiply
4,989,470.68x = 6,885,463.70 × 2,697,625.90 - Step 4: Simplify right side
4,989,470.68x = 18,574,405,225,980.72 - Step 5: Solve for x
x = 18,574,405,225,980.72/4,989,470.68 - Step 6: Final answer
x = 3,722,720.59
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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.