Finding the Fourth Proportional to 5,179,409.60, 7,767,271.20 and 2,340,881.60
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Solution
The fourth proportional to 5,179,409.60, 7,767,271.20 and 2,340,881.60 is: 3,510,489.35
Step by Step Solution
- Step 1: Write the proportion equation
5,179,409.60 : 7,767,271.20 = 2,340,881.60 : x - Step 2: Convert to fraction form
5,179,409.60/7,767,271.20 = 2,340,881.60/x - Step 3: Cross multiply
5,179,409.60x = 7,767,271.20 × 2,340,881.60 - Step 4: Simplify right side
5,179,409.60x = 18,182,262,234,289.92 - Step 5: Solve for x
x = 18,182,262,234,289.92/5,179,409.60 - Step 6: Final answer
x = 3,510,489.35
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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.