Finding the Fourth Proportional to 2,249,251.13, 3,103,889.36 and 1,282,692.51
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Solution
The fourth proportional to 2,249,251.13, 3,103,889.36 and 1,282,692.51 is: 1,770,071.63
Step by Step Solution
- Step 1: Write the proportion equation
2,249,251.13 : 3,103,889.36 = 1,282,692.51 : x - Step 2: Convert to fraction form
2,249,251.13/3,103,889.36 = 1,282,692.51/x - Step 3: Cross multiply
2,249,251.13x = 3,103,889.36 × 1,282,692.51 - Step 4: Simplify right side
2,249,251.13x = 3,981,335,612,007.78 - Step 5: Solve for x
x = 3,981,335,612,007.78/2,249,251.13 - Step 6: Final answer
x = 1,770,071.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.