Finding the Fourth Proportional to 2,129,688.62, 3,192,666.69 and 800,925.74
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Solution
The fourth proportional to 2,129,688.62, 3,192,666.69 and 800,925.74 is: 1,200,686.76
Step by Step Solution
- Step 1: Write the proportion equation
2,129,688.62 : 3,192,666.69 = 800,925.74 : x - Step 2: Convert to fraction form
2,129,688.62/3,192,666.69 = 800,925.74/x - Step 3: Cross multiply
2,129,688.62x = 3,192,666.69 × 800,925.74 - Step 4: Simplify right side
2,129,688.62x = 2,557,088,931,261.60 - Step 5: Solve for x
x = 2,557,088,931,261.60/2,129,688.62 - Step 6: Final answer
x = 1,200,686.76
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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.