Finding the Fourth Proportional to 2,877,035.48, 3,970,289.42 and 1,587,875.84
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Solution
The fourth proportional to 2,877,035.48, 3,970,289.42 and 1,587,875.84 is: 2,191,257.87
Step by Step Solution
- Step 1: Write the proportion equation
2,877,035.48 : 3,970,289.42 = 1,587,875.84 : x - Step 2: Convert to fraction form
2,877,035.48/3,970,289.42 = 1,587,875.84/x - Step 3: Cross multiply
2,877,035.48x = 3,970,289.42 × 1,587,875.84 - Step 4: Simplify right side
2,877,035.48x = 6,304,326,647,825.61 - Step 5: Solve for x
x = 6,304,326,647,825.61/2,877,035.48 - Step 6: Final answer
x = 2,191,257.87
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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.