Finding the Fourth Proportional to 1,831,335.14, 2,526,934.50 and 1,220,399.96
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Solution
The fourth proportional to 1,831,335.14, 2,526,934.50 and 1,220,399.96 is: 1,683,946.70
Step by Step Solution
- Step 1: Write the proportion equation
1,831,335.14 : 2,526,934.50 = 1,220,399.96 : x - Step 2: Convert to fraction form
1,831,335.14/2,526,934.50 = 1,220,399.96/x - Step 3: Cross multiply
1,831,335.14x = 2,526,934.50 × 1,220,399.96 - Step 4: Simplify right side
1,831,335.14x = 3,083,870,762,722.62 - Step 5: Solve for x
x = 3,083,870,762,722.62/1,831,335.14 - Step 6: Final answer
x = 1,683,946.70
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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.