Finding the Fourth Proportional to 2,863,988.58, 3,952,372.05 and 1,574,827.95
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Solution
The fourth proportional to 2,863,988.58, 3,952,372.05 and 1,574,827.95 is: 2,173,299.86
Step by Step Solution
- Step 1: Write the proportion equation
2,863,988.58 : 3,952,372.05 = 1,574,827.95 : x - Step 2: Convert to fraction form
2,863,988.58/3,952,372.05 = 1,574,827.95/x - Step 3: Cross multiply
2,863,988.58x = 3,952,372.05 × 1,574,827.95 - Step 4: Simplify right side
2,863,988.58x = 6,224,305,973,138.80 - Step 5: Solve for x
x = 6,224,305,973,138.80/2,863,988.58 - Step 6: Final answer
x = 2,173,299.86
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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.