Finding the Fourth Proportional to 6,243,621.60, 9,363,099.60 and 2,456,320.80
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Solution
The fourth proportional to 6,243,621.60, 9,363,099.60 and 2,456,320.80 is: 3,683,563.45
Step by Step Solution
- Step 1: Write the proportion equation
6,243,621.60 : 9,363,099.60 = 2,456,320.80 : x - Step 2: Convert to fraction form
6,243,621.60/9,363,099.60 = 2,456,320.80/x - Step 3: Cross multiply
6,243,621.60x = 9,363,099.60 × 2,456,320.80 - Step 4: Simplify right side
6,243,621.60x = 22,998,776,299,951.68 - Step 5: Solve for x
x = 22,998,776,299,951.68/6,243,621.60 - Step 6: Final answer
x = 3,683,563.45
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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.