Finding the Fourth Proportional to 2,427,397.70, 3,622,639.06 and 2,158,362.68
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Solution
The fourth proportional to 2,427,397.70, 3,622,639.06 and 2,158,362.68 is: 3,221,132.22
Step by Step Solution
- Step 1: Write the proportion equation
2,427,397.70 : 3,622,639.06 = 2,158,362.68 : x - Step 2: Convert to fraction form
2,427,397.70/3,622,639.06 = 2,158,362.68/x - Step 3: Cross multiply
2,427,397.70x = 3,622,639.06 × 2,158,362.68 - Step 4: Simplify right side
2,427,397.70x = 7,818,968,950,214.28 - Step 5: Solve for x
x = 7,818,968,950,214.28/2,427,397.70 - Step 6: Final answer
x = 3,221,132.22
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.