Finding the Fourth Proportional to 5,412,292.35, 7,468,903.98 and 2,931,451.31
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Solution
The fourth proportional to 5,412,292.35, 7,468,903.98 and 2,931,451.31 is: 4,045,370.59
Step by Step Solution
- Step 1: Write the proportion equation
5,412,292.35 : 7,468,903.98 = 2,931,451.31 : x - Step 2: Convert to fraction form
5,412,292.35/7,468,903.98 = 2,931,451.31/x - Step 3: Cross multiply
5,412,292.35x = 7,468,903.98 × 2,931,451.31 - Step 4: Simplify right side
5,412,292.35x = 21,894,728,319,090.70 - Step 5: Solve for x
x = 21,894,728,319,090.70/5,412,292.35 - Step 6: Final answer
x = 4,045,370.59
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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.