Finding the Fourth Proportional to 5,381,197.07, 8,069,420.71 and 1,542,148.20
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Solution
The fourth proportional to 5,381,197.07, 8,069,420.71 and 1,542,148.20 is: 2,312,541.70
Step by Step Solution
- Step 1: Write the proportion equation
5,381,197.07 : 8,069,420.71 = 1,542,148.20 : x - Step 2: Convert to fraction form
5,381,197.07/8,069,420.71 = 1,542,148.20/x - Step 3: Cross multiply
5,381,197.07x = 8,069,420.71 × 1,542,148.20 - Step 4: Simplify right side
5,381,197.07x = 12,444,242,624,896.91 - Step 5: Solve for x
x = 12,444,242,624,896.91/5,381,197.07 - Step 6: Final answer
x = 2,312,541.70
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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.