Finding the Fourth Proportional to 2,220,817.16, 3,064,737.47 and 1,202,221.91
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Solution
The fourth proportional to 2,220,817.16, 3,064,737.47 and 1,202,221.91 is: 1,659,071.53
Step by Step Solution
- Step 1: Write the proportion equation
2,220,817.16 : 3,064,737.47 = 1,202,221.91 : x - Step 2: Convert to fraction form
2,220,817.16/3,064,737.47 = 1,202,221.91/x - Step 3: Cross multiply
2,220,817.16x = 3,064,737.47 × 1,202,221.91 - Step 4: Simplify right side
2,220,817.16x = 3,684,494,536,482.70 - Step 5: Solve for x
x = 3,684,494,536,482.70/2,220,817.16 - Step 6: Final answer
x = 1,659,071.53
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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.