Finding the Fourth Proportional to 2,477,220.16, 3,418,603.68 and 1,389,733.76
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Solution
The fourth proportional to 2,477,220.16, 3,418,603.68 and 1,389,733.76 is: 1,917,854.95
Step by Step Solution
- Step 1: Write the proportion equation
2,477,220.16 : 3,418,603.68 = 1,389,733.76 : x - Step 2: Convert to fraction form
2,477,220.16/3,418,603.68 = 1,389,733.76/x - Step 3: Cross multiply
2,477,220.16x = 3,418,603.68 × 1,389,733.76 - Step 4: Simplify right side
2,477,220.16x = 4,750,948,946,156.24 - Step 5: Solve for x
x = 4,750,948,946,156.24/2,477,220.16 - Step 6: Final answer
x = 1,917,854.95
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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.