Finding the Fourth Proportional to 4,572,661.68, 6,309,989.64 and 2,535,471.12
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Solution
The fourth proportional to 4,572,661.68, 6,309,989.64 and 2,535,471.12 is: 3,498,792.96
Step by Step Solution
- Step 1: Write the proportion equation
4,572,661.68 : 6,309,989.64 = 2,535,471.12 : x - Step 2: Convert to fraction form
4,572,661.68/6,309,989.64 = 2,535,471.12/x - Step 3: Cross multiply
4,572,661.68x = 6,309,989.64 × 2,535,471.12 - Step 4: Simplify right side
4,572,661.68x = 15,998,796,499,719.20 - Step 5: Solve for x
x = 15,998,796,499,719.20/4,572,661.68 - Step 6: Final answer
x = 3,498,792.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.