Finding the Fourth Proportional to 2,306,337.12, 3,179,456.70 and 1,789,178.58
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Solution
The fourth proportional to 2,306,337.12, 3,179,456.70 and 1,789,178.58 is: 2,466,515.31
Step by Step Solution
- Step 1: Write the proportion equation
2,306,337.12 : 3,179,456.70 = 1,789,178.58 : x - Step 2: Convert to fraction form
2,306,337.12/3,179,456.70 = 1,789,178.58/x - Step 3: Cross multiply
2,306,337.12x = 3,179,456.70 × 1,789,178.58 - Step 4: Simplify right side
2,306,337.12x = 5,688,615,823,677.49 - Step 5: Solve for x
x = 5,688,615,823,677.49/2,306,337.12 - Step 6: Final answer
x = 2,466,515.31
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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.