Finding the Fourth Proportional to 4,189,666.68, 5,781,737.88 and 2,354,132.16
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Solution
The fourth proportional to 4,189,666.68, 5,781,737.88 and 2,354,132.16 is: 3,248,701.18
Step by Step Solution
- Step 1: Write the proportion equation
4,189,666.68 : 5,781,737.88 = 2,354,132.16 : x - Step 2: Convert to fraction form
4,189,666.68/5,781,737.88 = 2,354,132.16/x - Step 3: Cross multiply
4,189,666.68x = 5,781,737.88 × 2,354,132.16 - Step 4: Simplify right side
4,189,666.68x = 13,610,975,083,998.22 - Step 5: Solve for x
x = 13,610,975,083,998.22/4,189,666.68 - Step 6: Final answer
x = 3,248,701.18
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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.