Finding the Fourth Proportional to 2,378,991.24, 3,283,011.22 and 1,291,263.04
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Solution
The fourth proportional to 2,378,991.24, 3,283,011.22 and 1,291,263.04 is: 1,781,944.79
Step by Step Solution
- Step 1: Write the proportion equation
2,378,991.24 : 3,283,011.22 = 1,291,263.04 : x - Step 2: Convert to fraction form
2,378,991.24/3,283,011.22 = 1,291,263.04/x - Step 3: Cross multiply
2,378,991.24x = 3,283,011.22 × 1,291,263.04 - Step 4: Simplify right side
2,378,991.24x = 4,239,231,048,291.31 - Step 5: Solve for x
x = 4,239,231,048,291.31/2,378,991.24 - Step 6: Final answer
x = 1,781,944.79
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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.