Finding the Fourth Proportional to 1,524,678.63, 2,103,703.66 and 912,598.84
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Solution
The fourth proportional to 1,524,678.63, 2,103,703.66 and 912,598.84 is: 1,259,175.20
Step by Step Solution
- Step 1: Write the proportion equation
1,524,678.63 : 2,103,703.66 = 912,598.84 : x - Step 2: Convert to fraction form
1,524,678.63/2,103,703.66 = 912,598.84/x - Step 3: Cross multiply
1,524,678.63x = 2,103,703.66 × 912,598.84 - Step 4: Simplify right side
1,524,678.63x = 1,919,837,510,567.88 - Step 5: Solve for x
x = 1,919,837,510,567.88/1,524,678.63 - Step 6: Final answer
x = 1,259,175.20
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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.