Finding the Fourth Proportional to 2,828,115.12, 4,242,836.88 and 934,856.49
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Solution
The fourth proportional to 2,828,115.12, 4,242,836.88 and 934,856.49 is: 1,402,504.29
Step by Step Solution
- Step 1: Write the proportion equation
2,828,115.12 : 4,242,836.88 = 934,856.49 : x - Step 2: Convert to fraction form
2,828,115.12/4,242,836.88 = 934,856.49/x - Step 3: Cross multiply
2,828,115.12x = 4,242,836.88 × 934,856.49 - Step 4: Simplify right side
2,828,115.12x = 3,966,443,593,279.35 - Step 5: Solve for x
x = 3,966,443,593,279.35/2,828,115.12 - Step 6: Final answer
x = 1,402,504.29
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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.