Finding the Fourth Proportional to 1,502,745.99, 2,252,781.11 and 542,987.54
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Solution
The fourth proportional to 1,502,745.99, 2,252,781.11 and 542,987.54 is: 813,997.89
Step by Step Solution
- Step 1: Write the proportion equation
1,502,745.99 : 2,252,781.11 = 542,987.54 : x - Step 2: Convert to fraction form
1,502,745.99/2,252,781.11 = 542,987.54/x - Step 3: Cross multiply
1,502,745.99x = 2,252,781.11 × 542,987.54 - Step 4: Simplify right side
1,502,745.99x = 1,223,232,060,116.63 - Step 5: Solve for x
x = 1,223,232,060,116.63/1,502,745.99 - Step 6: Final answer
x = 813,997.89
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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.