Finding the Fourth Proportional to 1,911,356.96, 2,637,624.17 and 1,040,154.62
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Solution
The fourth proportional to 1,911,356.96, 2,637,624.17 and 1,040,154.62 is: 1,435,387.02
Step by Step Solution
- Step 1: Write the proportion equation
1,911,356.96 : 2,637,624.17 = 1,040,154.62 : x - Step 2: Convert to fraction form
1,911,356.96/2,637,624.17 = 1,040,154.62/x - Step 3: Cross multiply
1,911,356.96x = 2,637,624.17 × 1,040,154.62 - Step 4: Simplify right side
1,911,356.96x = 2,743,536,955,661.43 - Step 5: Solve for x
x = 2,743,536,955,661.43/1,911,356.96 - Step 6: Final answer
x = 1,435,387.02
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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.