Finding the Fourth Proportional to 4,174,557.62, 6,263,978.99 and 1,988,602.83
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Solution
The fourth proportional to 4,174,557.62, 6,263,978.99 and 1,988,602.83 is: 2,983,924.88
Step by Step Solution
- Step 1: Write the proportion equation
4,174,557.62 : 6,263,978.99 = 1,988,602.83 : x - Step 2: Convert to fraction form
4,174,557.62/6,263,978.99 = 1,988,602.83/x - Step 3: Cross multiply
4,174,557.62x = 6,263,978.99 × 1,988,602.83 - Step 4: Simplify right side
4,174,557.62x = 12,456,566,346,574.54 - Step 5: Solve for x
x = 12,456,566,346,574.54/4,174,557.62 - Step 6: Final answer
x = 2,983,924.88
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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.