Finding the Fourth Proportional to 2,901,621.30, 4,356,579.15 and 1,641,909.30
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Solution
The fourth proportional to 2,901,621.30, 4,356,579.15 and 1,641,909.30 is: 2,465,210.68
Step by Step Solution
- Step 1: Write the proportion equation
2,901,621.30 : 4,356,579.15 = 1,641,909.30 : x - Step 2: Convert to fraction form
2,901,621.30/4,356,579.15 = 1,641,909.30/x - Step 3: Cross multiply
2,901,621.30x = 4,356,579.15 × 1,641,909.30 - Step 4: Simplify right side
2,901,621.30x = 7,153,107,822,571.10 - Step 5: Solve for x
x = 7,153,107,822,571.10/2,901,621.30 - Step 6: Final answer
x = 2,465,210.68
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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.