Finding the Fourth Proportional to 2,877,363.19, 3,970,761.54 and 1,588,203.93
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Solution
The fourth proportional to 2,877,363.19, 3,970,761.54 and 1,588,203.93 is: 2,191,721.61
Step by Step Solution
- Step 1: Write the proportion equation
2,877,363.19 : 3,970,761.54 = 1,588,203.93 : x - Step 2: Convert to fraction form
2,877,363.19/3,970,761.54 = 1,588,203.93/x - Step 3: Cross multiply
2,877,363.19x = 3,970,761.54 × 1,588,203.93 - Step 4: Simplify right side
2,877,363.19x = 6,306,379,082,920.85 - Step 5: Solve for x
x = 6,306,379,082,920.85/2,877,363.19 - Step 6: Final answer
x = 2,191,721.61
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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.