Finding the Fourth Proportional to 2,167,949.68, 2,991,652.70 and 1,201,022.32
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Solution
The fourth proportional to 2,167,949.68, 2,991,652.70 and 1,201,022.32 is: 1,657,345.51
Step by Step Solution
- Step 1: Write the proportion equation
2,167,949.68 : 2,991,652.70 = 1,201,022.32 : x - Step 2: Convert to fraction form
2,167,949.68/2,991,652.70 = 1,201,022.32/x - Step 3: Cross multiply
2,167,949.68x = 2,991,652.70 × 1,201,022.32 - Step 4: Simplify right side
2,167,949.68x = 3,593,041,666,388.26 - Step 5: Solve for x
x = 3,593,041,666,388.26/2,167,949.68 - Step 6: Final answer
x = 1,657,345.51
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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.