Finding the Fourth Proportional to 2,877,822.81, 3,971,291.36 and 1,588,635.54
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Solution
The fourth proportional to 2,877,822.81, 3,971,291.36 and 1,588,635.54 is: 2,192,259.57
Step by Step Solution
- Step 1: Write the proportion equation
2,877,822.81 : 3,971,291.36 = 1,588,635.54 : x - Step 2: Convert to fraction form
2,877,822.81/3,971,291.36 = 1,588,635.54/x - Step 3: Cross multiply
2,877,822.81x = 3,971,291.36 × 1,588,635.54 - Step 4: Simplify right side
2,877,822.81x = 6,308,934,586,247.76 - Step 5: Solve for x
x = 6,308,934,586,247.76/2,877,822.81 - Step 6: Final answer
x = 2,192,259.57
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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.