Finding the Fourth Proportional to 3,971,032.42, 5,955,863.07 and 1,053,145.53
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Solution
The fourth proportional to 3,971,032.42, 5,955,863.07 and 1,053,145.53 is: 1,579,536.47
Step by Step Solution
- Step 1: Write the proportion equation
3,971,032.42 : 5,955,863.07 = 1,053,145.53 : x - Step 2: Convert to fraction form
3,971,032.42/5,955,863.07 = 1,053,145.53/x - Step 3: Cross multiply
3,971,032.42x = 5,955,863.07 × 1,053,145.53 - Step 4: Simplify right side
3,971,032.42x = 6,272,390,534,417.53 - Step 5: Solve for x
x = 6,272,390,534,417.53/3,971,032.42 - Step 6: Final answer
x = 1,579,536.47
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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.