Finding the Fourth Proportional to 1,585,114.43, 2,187,462.06 and 859,962.11
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Solution
The fourth proportional to 1,585,114.43, 2,187,462.06 and 859,962.11 is: 1,186,749.96
Step by Step Solution
- Step 1: Write the proportion equation
1,585,114.43 : 2,187,462.06 = 859,962.11 : x - Step 2: Convert to fraction form
1,585,114.43/2,187,462.06 = 859,962.11/x - Step 3: Cross multiply
1,585,114.43x = 2,187,462.06 × 859,962.11 - Step 4: Simplify right side
1,585,114.43x = 1,881,134,477,725.24 - Step 5: Solve for x
x = 1,881,134,477,725.24/1,585,114.43 - Step 6: Final answer
x = 1,186,749.96
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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.