Finding the Fourth Proportional to 2,558,929.98, 3,531,929.12 and 1,471,829.70
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Solution
The fourth proportional to 2,558,929.98, 3,531,929.12 and 1,471,829.70 is: 2,031,473.40
Step by Step Solution
- Step 1: Write the proportion equation
2,558,929.98 : 3,531,929.12 = 1,471,829.70 : x - Step 2: Convert to fraction form
2,558,929.98/3,531,929.12 = 1,471,829.70/x - Step 3: Cross multiply
2,558,929.98x = 3,531,929.12 × 1,471,829.70 - Step 4: Simplify right side
2,558,929.98x = 5,198,398,177,110.86 - Step 5: Solve for x
x = 5,198,398,177,110.86/2,558,929.98 - Step 6: Final answer
x = 2,031,473.40
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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.