Finding the Fourth Proportional to 1,660,618.68, 2,291,679.18 and 981,618.36
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Solution
The fourth proportional to 1,660,618.68, 2,291,679.18 and 981,618.36 is: 1,354,648.35
Step by Step Solution
- Step 1: Write the proportion equation
1,660,618.68 : 2,291,679.18 = 981,618.36 : x - Step 2: Convert to fraction form
1,660,618.68/2,291,679.18 = 981,618.36/x - Step 3: Cross multiply
1,660,618.68x = 2,291,679.18 × 981,618.36 - Step 4: Simplify right side
1,660,618.68x = 2,249,554,358,317.75 - Step 5: Solve for x
x = 2,249,554,358,317.75/1,660,618.68 - Step 6: Final answer
x = 1,354,648.35
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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.