Finding the Fourth Proportional to 5,747,718.48, 8,621,781.36 and 1,429,791.18
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Solution
The fourth proportional to 5,747,718.48, 8,621,781.36 and 1,429,791.18 is: 2,144,737.43
Step by Step Solution
- Step 1: Write the proportion equation
5,747,718.48 : 8,621,781.36 = 1,429,791.18 : x - Step 2: Convert to fraction form
5,747,718.48/8,621,781.36 = 1,429,791.18/x - Step 3: Cross multiply
5,747,718.48x = 8,621,781.36 × 1,429,791.18 - Step 4: Simplify right side
5,747,718.48x = 12,327,346,944,416.40 - Step 5: Solve for x
x = 12,327,346,944,416.40/5,747,718.48 - Step 6: Final answer
x = 2,144,737.43
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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.