Finding the Fourth Proportional to 8,272,829.60, 12,410,410.80 and 2,592,461.60
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Solution
The fourth proportional to 8,272,829.60, 12,410,410.80 and 2,592,461.60 is: 3,889,057.92
Step by Step Solution
- Step 1: Write the proportion equation
8,272,829.60 : 12,410,410.80 = 2,592,461.60 : x - Step 2: Convert to fraction form
8,272,829.60/12,410,410.80 = 2,592,461.60/x - Step 3: Cross multiply
8,272,829.60x = 12,410,410.80 × 2,592,461.60 - Step 4: Simplify right side
8,272,829.60x = 32,173,513,439,225.28 - Step 5: Solve for x
x = 32,173,513,439,225.28/8,272,829.60 - Step 6: Final answer
x = 3,889,057.92
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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.