Finding the Fourth Proportional to 1,831,209.31, 2,746,252.36 and 1,266,220.81
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Solution
The fourth proportional to 1,831,209.31, 2,746,252.36 and 1,266,220.81 is: 1,898,942.88
Step by Step Solution
- Step 1: Write the proportion equation
1,831,209.31 : 2,746,252.36 = 1,266,220.81 : x - Step 2: Convert to fraction form
1,831,209.31/2,746,252.36 = 1,266,220.81/x - Step 3: Cross multiply
1,831,209.31x = 2,746,252.36 × 1,266,220.81 - Step 4: Simplify right side
1,831,209.31x = 3,477,361,887,743.61 - Step 5: Solve for x
x = 3,477,361,887,743.61/1,831,209.31 - Step 6: Final answer
x = 1,898,942.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.