Finding the Fourth Proportional to 1,609,347.20, 2,220,914.16 and 884,209.95
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Solution
The fourth proportional to 1,609,347.20, 2,220,914.16 and 884,209.95 is: 1,220,217.99
Step by Step Solution
- Step 1: Write the proportion equation
1,609,347.20 : 2,220,914.16 = 884,209.95 : x - Step 2: Convert to fraction form
1,609,347.20/2,220,914.16 = 884,209.95/x - Step 3: Cross multiply
1,609,347.20x = 2,220,914.16 × 884,209.95 - Step 4: Simplify right side
1,609,347.20x = 1,963,754,398,367.89 - Step 5: Solve for x
x = 1,963,754,398,367.89/1,609,347.20 - Step 6: Final answer
x = 1,220,217.99
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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.