Finding the Fourth Proportional to 2,137,798.60, 2,950,161.42 and 1,170,989.08
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Solution
The fourth proportional to 2,137,798.60, 2,950,161.42 and 1,170,989.08 is: 1,615,964.58
Step by Step Solution
- Step 1: Write the proportion equation
2,137,798.60 : 2,950,161.42 = 1,170,989.08 : x - Step 2: Convert to fraction form
2,137,798.60/2,950,161.42 = 1,170,989.08/x - Step 3: Cross multiply
2,137,798.60x = 2,950,161.42 × 1,170,989.08 - Step 4: Simplify right side
2,137,798.60x = 3,454,606,807,057.29 - Step 5: Solve for x
x = 3,454,606,807,057.29/2,137,798.60 - Step 6: Final answer
x = 1,615,964.58
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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.