Finding the Fourth Proportional to 2,828,120.64, 4,242,189.68 and 698,205
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Solution
The fourth proportional to 2,828,120.64, 4,242,189.68 and 698,205 is: 1,047,309.65
Step by Step Solution
- Step 1: Write the proportion equation
2,828,120.64 : 4,242,189.68 = 698,205 : x - Step 2: Convert to fraction form
2,828,120.64/4,242,189.68 = 698,205/x - Step 3: Cross multiply
2,828,120.64x = 4,242,189.68 × 698,205 - Step 4: Simplify right side
2,828,120.64x = 2,961,918,045,524.40 - Step 5: Solve for x
x = 2,961,918,045,524.40/2,828,120.64 - Step 6: Final answer
x = 1,047,309.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.