Finding the Fourth Proportional to 1,707,320.70, 2,555,451.45 and 1,209,656.70
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Solution
The fourth proportional to 1,707,320.70, 2,555,451.45 and 1,209,656.70 is: 1,810,567.26
Step by Step Solution
- Step 1: Write the proportion equation
1,707,320.70 : 2,555,451.45 = 1,209,656.70 : x - Step 2: Convert to fraction form
1,707,320.70/2,555,451.45 = 1,209,656.70/x - Step 3: Cross multiply
1,707,320.70x = 2,555,451.45 × 1,209,656.70 - Step 4: Simplify right side
1,707,320.70x = 3,091,218,968,017.22 - Step 5: Solve for x
x = 3,091,218,968,017.22/1,707,320.70 - Step 6: Final answer
x = 1,810,567.26
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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.