Finding the Fourth Proportional to 5,583,893.60, 8,366,983.05 and 3,688,420.70
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Solution
The fourth proportional to 5,583,893.60, 8,366,983.05 and 3,688,420.70 is: 5,526,780.36
Step by Step Solution
- Step 1: Write the proportion equation
5,583,893.60 : 8,366,983.05 = 3,688,420.70 : x - Step 2: Convert to fraction form
5,583,893.60/8,366,983.05 = 3,688,420.70/x - Step 3: Cross multiply
5,583,893.60x = 8,366,983.05 × 3,688,420.70 - Step 4: Simplify right side
5,583,893.60x = 30,860,953,478,169.14 - Step 5: Solve for x
x = 30,860,953,478,169.14/5,583,893.60 - Step 6: Final answer
x = 5,526,780.36
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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.