Finding the Fourth Proportional to 2,828,122.95, 4,242,193.14 and 698,207.30
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Solution
The fourth proportional to 2,828,122.95, 4,242,193.14 and 698,207.30 is: 1,047,313.10
Step by Step Solution
- Step 1: Write the proportion equation
2,828,122.95 : 4,242,193.14 = 698,207.30 : x - Step 2: Convert to fraction form
2,828,122.95/4,242,193.14 = 698,207.30/x - Step 3: Cross multiply
2,828,122.95x = 4,242,193.14 × 698,207.30 - Step 4: Simplify right side
2,828,122.95x = 2,961,930,218,357.92 - Step 5: Solve for x
x = 2,961,930,218,357.92/2,828,122.95 - Step 6: Final answer
x = 1,047,313.10
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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.