Finding the Fourth Proportional to 1,487,228.24, 2,052,191.34 and 906,239.70
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Solution
The fourth proportional to 1,487,228.24, 2,052,191.34 and 906,239.70 is: 1,250,498.89
Step by Step Solution
- Step 1: Write the proportion equation
1,487,228.24 : 2,052,191.34 = 906,239.70 : x - Step 2: Convert to fraction form
1,487,228.24/2,052,191.34 = 906,239.70/x - Step 3: Cross multiply
1,487,228.24x = 2,052,191.34 × 906,239.70 - Step 4: Simplify right side
1,487,228.24x = 1,859,777,264,304.20 - Step 5: Solve for x
x = 1,859,777,264,304.20/1,487,228.24 - Step 6: Final answer
x = 1,250,498.89
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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.