Finding the Fourth Proportional to 1,571,221.23, 2,357,865.50 and 861,747.63
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Solution
The fourth proportional to 1,571,221.23, 2,357,865.50 and 861,747.63 is: 1,293,188.36
Step by Step Solution
- Step 1: Write the proportion equation
1,571,221.23 : 2,357,865.50 = 861,747.63 : x - Step 2: Convert to fraction form
1,571,221.23/2,357,865.50 = 861,747.63/x - Step 3: Cross multiply
1,571,221.23x = 2,357,865.50 × 861,747.63 - Step 4: Simplify right side
1,571,221.23x = 2,031,885,002,175.03 - Step 5: Solve for x
x = 2,031,885,002,175.03/1,571,221.23 - Step 6: Final answer
x = 1,293,188.36
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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.