Finding the Fourth Proportional to 1,557,031.41, 2,148,586.56 and 1,014,207.08
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Solution
The fourth proportional to 1,557,031.41, 2,148,586.56 and 1,014,207.08 is: 1,399,529.69
Step by Step Solution
- Step 1: Write the proportion equation
1,557,031.41 : 2,148,586.56 = 1,014,207.08 : x - Step 2: Convert to fraction form
1,557,031.41/2,148,586.56 = 1,014,207.08/x - Step 3: Cross multiply
1,557,031.41x = 2,148,586.56 × 1,014,207.08 - Step 4: Simplify right side
1,557,031.41x = 2,179,111,690,401.91 - Step 5: Solve for x
x = 2,179,111,690,401.91/1,557,031.41 - Step 6: Final answer
x = 1,399,529.69
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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.