Finding the Fourth Proportional to 2,801,881.80, 4,202,822.70 and 2,447,587.80
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Solution
The fourth proportional to 2,801,881.80, 4,202,822.70 and 2,447,587.80 is: 3,671,381.70
Step by Step Solution
- Step 1: Write the proportion equation
2,801,881.80 : 4,202,822.70 = 2,447,587.80 : x - Step 2: Convert to fraction form
2,801,881.80/4,202,822.70 = 2,447,587.80/x - Step 3: Cross multiply
2,801,881.80x = 4,202,822.70 × 2,447,587.80 - Step 4: Simplify right side
2,801,881.80x = 10,286,777,566,083.06 - Step 5: Solve for x
x = 10,286,777,566,083.06/2,801,881.80 - Step 6: Final answer
x = 3,671,381.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.