Finding the Fourth Proportional to 2,762,612.28, 3,813,985.17 and 1,833,579.99
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Solution
The fourth proportional to 2,762,612.28, 3,813,985.17 and 1,833,579.99 is: 2,531,389.20
Step by Step Solution
- Step 1: Write the proportion equation
2,762,612.28 : 3,813,985.17 = 1,833,579.99 : x - Step 2: Convert to fraction form
2,762,612.28/3,813,985.17 = 1,833,579.99/x - Step 3: Cross multiply
2,762,612.28x = 3,813,985.17 × 1,833,579.99 - Step 4: Simplify right side
2,762,612.28x = 6,993,246,889,868.75 - Step 5: Solve for x
x = 6,993,246,889,868.75/2,762,612.28 - Step 6: Final answer
x = 2,531,389.20
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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.