Finding the Fourth Proportional to 2,528,822.64, 3,490,045.74 and 1,549,411.68
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Solution
The fourth proportional to 2,528,822.64, 3,490,045.74 and 1,549,411.68 is: 2,138,353.85
Step by Step Solution
- Step 1: Write the proportion equation
2,528,822.64 : 3,490,045.74 = 1,549,411.68 : x - Step 2: Convert to fraction form
2,528,822.64/3,490,045.74 = 1,549,411.68/x - Step 3: Cross multiply
2,528,822.64x = 3,490,045.74 × 1,549,411.68 - Step 4: Simplify right side
2,528,822.64x = 5,407,517,633,290.24 - Step 5: Solve for x
x = 5,407,517,633,290.24/2,528,822.64 - Step 6: Final answer
x = 2,138,353.85
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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.