Finding the Fourth Proportional to 5,557,402.84, 8,334,937.86 and 1,567,381.72
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Solution
The fourth proportional to 5,557,402.84, 8,334,937.86 and 1,567,381.72 is: 2,350,743.61
Step by Step Solution
- Step 1: Write the proportion equation
5,557,402.84 : 8,334,937.86 = 1,567,381.72 : x - Step 2: Convert to fraction form
5,557,402.84/8,334,937.86 = 1,567,381.72/x - Step 3: Cross multiply
5,557,402.84x = 8,334,937.86 × 1,567,381.72 - Step 4: Simplify right side
5,557,402.84x = 13,064,029,239,099.92 - Step 5: Solve for x
x = 13,064,029,239,099.92/5,557,402.84 - Step 6: Final answer
x = 2,350,743.61
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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.