Finding the Fourth Proportional to 1,489,817.18, 2,055,994.36 and 845,264.54
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Solution
The fourth proportional to 1,489,817.18, 2,055,994.36 and 845,264.54 is: 1,166,491.53
Step by Step Solution
- Step 1: Write the proportion equation
1,489,817.18 : 2,055,994.36 = 845,264.54 : x - Step 2: Convert to fraction form
1,489,817.18/2,055,994.36 = 845,264.54/x - Step 3: Cross multiply
1,489,817.18x = 2,055,994.36 × 845,264.54 - Step 4: Simplify right side
1,489,817.18x = 1,737,859,126,947.99 - Step 5: Solve for x
x = 1,737,859,126,947.99/1,489,817.18 - Step 6: Final answer
x = 1,166,491.53
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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.