Finding the Fourth Proportional to 1,908,149.47, 2,633,309.67 and 1,123,073.08
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Solution
The fourth proportional to 1,908,149.47, 2,633,309.67 and 1,123,073.08 is: 1,549,878.17
Step by Step Solution
- Step 1: Write the proportion equation
1,908,149.47 : 2,633,309.67 = 1,123,073.08 : x - Step 2: Convert to fraction form
1,908,149.47/2,633,309.67 = 1,123,073.08/x - Step 3: Cross multiply
1,908,149.47x = 2,633,309.67 × 1,123,073.08 - Step 4: Simplify right side
1,908,149.47x = 2,957,399,201,680.68 - Step 5: Solve for x
x = 2,957,399,201,680.68/1,908,149.47 - Step 6: Final answer
x = 1,549,878.17
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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.