Finding the Fourth Proportional to 5,478,662.05, 8,219,113.93 and 1,883,962.14
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Solution
The fourth proportional to 5,478,662.05, 8,219,113.93 and 1,883,962.14 is: 2,826,328.64
Step by Step Solution
- Step 1: Write the proportion equation
5,478,662.05 : 8,219,113.93 = 1,883,962.14 : x - Step 2: Convert to fraction form
5,478,662.05/8,219,113.93 = 1,883,962.14/x - Step 3: Cross multiply
5,478,662.05x = 8,219,113.93 × 1,883,962.14 - Step 4: Simplify right side
5,478,662.05x = 15,484,499,475,635.12 - Step 5: Solve for x
x = 15,484,499,475,635.12/5,478,662.05 - Step 6: Final answer
x = 2,826,328.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.