Finding the Fourth Proportional to 2,828,118.72, 4,242,186.84 and 698,203.08
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Solution
The fourth proportional to 2,828,118.72, 4,242,186.84 and 698,203.08 is: 1,047,306.78
Step by Step Solution
- Step 1: Write the proportion equation
2,828,118.72 : 4,242,186.84 = 698,203.08 : x - Step 2: Convert to fraction form
2,828,118.72/4,242,186.84 = 698,203.08/x - Step 3: Cross multiply
2,828,118.72x = 4,242,186.84 × 698,203.08 - Step 4: Simplify right side
2,828,118.72x = 2,961,907,917,623.47 - Step 5: Solve for x
x = 2,961,907,917,623.47/2,828,118.72 - Step 6: Final answer
x = 1,047,306.78
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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.