Finding the Fourth Proportional to 2,378,419.29, 3,282,291.65 and 1,398,178.55
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Solution
The fourth proportional to 2,378,419.29, 3,282,291.65 and 1,398,178.55 is: 1,929,529.33
Step by Step Solution
- Step 1: Write the proportion equation
2,378,419.29 : 3,282,291.65 = 1,398,178.55 : x - Step 2: Convert to fraction form
2,378,419.29/3,282,291.65 = 1,398,178.55/x - Step 3: Cross multiply
2,378,419.29x = 3,282,291.65 × 1,398,178.55 - Step 4: Simplify right side
2,378,419.29x = 4,589,229,781,088.94 - Step 5: Solve for x
x = 4,589,229,781,088.94/2,378,419.29 - Step 6: Final answer
x = 1,929,529.33
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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.