Finding the Fourth Proportional to 4,384,931.66, 6,577,135.04 and 1,189,987.10
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Solution
The fourth proportional to 4,384,931.66, 6,577,135.04 and 1,189,987.10 is: 1,784,909.43
Step by Step Solution
- Step 1: Write the proportion equation
4,384,931.66 : 6,577,135.04 = 1,189,987.10 : x - Step 2: Convert to fraction form
4,384,931.66/6,577,135.04 = 1,189,987.10/x - Step 3: Cross multiply
4,384,931.66x = 6,577,135.04 × 1,189,987.10 - Step 4: Simplify right side
4,384,931.66x = 7,826,705,852,557.99 - Step 5: Solve for x
x = 7,826,705,852,557.99/4,384,931.66 - Step 6: Final answer
x = 1,784,909.43
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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.