Finding the Fourth Proportional to 5,432,115.60, 8,145,220.95 and 2,237,564.70
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Solution
The fourth proportional to 5,432,115.60, 8,145,220.95 and 2,237,564.70 is: 3,355,130.89
Step by Step Solution
- Step 1: Write the proportion equation
5,432,115.60 : 8,145,220.95 = 2,237,564.70 : x - Step 2: Convert to fraction form
5,432,115.60/8,145,220.95 = 2,237,564.70/x - Step 3: Cross multiply
5,432,115.60x = 8,145,220.95 × 2,237,564.70 - Step 4: Simplify right side
5,432,115.60x = 18,225,458,871,420.47 - Step 5: Solve for x
x = 18,225,458,871,420.47/5,432,115.60 - Step 6: Final answer
x = 3,355,130.89
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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.