Finding the Fourth Proportional to 5,813,719.20, 8,723,689.20 and 2,448,266.40
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Solution
The fourth proportional to 5,813,719.20, 8,723,689.20 and 2,448,266.40 is: 3,673,709.45
Step by Step Solution
- Step 1: Write the proportion equation
5,813,719.20 : 8,723,689.20 = 2,448,266.40 : x - Step 2: Convert to fraction form
5,813,719.20/8,723,689.20 = 2,448,266.40/x - Step 3: Cross multiply
5,813,719.20x = 8,723,689.20 × 2,448,266.40 - Step 4: Simplify right side
5,813,719.20x = 21,357,915,152,402.88 - Step 5: Solve for x
x = 21,357,915,152,402.88/5,813,719.20 - Step 6: Final answer
x = 3,673,709.45
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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.