Finding the Fourth Proportional to 3,730,948.41, 5,148,648.48 and 2,099,354.85
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Solution
The fourth proportional to 3,730,948.41, 5,148,648.48 and 2,099,354.85 is: 2,897,075.75
Step by Step Solution
- Step 1: Write the proportion equation
3,730,948.41 : 5,148,648.48 = 2,099,354.85 : x - Step 2: Convert to fraction form
3,730,948.41/5,148,648.48 = 2,099,354.85/x - Step 3: Cross multiply
3,730,948.41x = 5,148,648.48 × 2,099,354.85 - Step 4: Simplify right side
3,730,948.41x = 10,808,840,157,433.13 - Step 5: Solve for x
x = 10,808,840,157,433.13/3,730,948.41 - Step 6: Final answer
x = 2,897,075.75
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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.