Finding the Fourth Proportional to 3,244,587.95, 4,476,178.98 and 1,867,602.18
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Solution
The fourth proportional to 3,244,587.95, 4,476,178.98 and 1,867,602.18 is: 2,576,512.56
Step by Step Solution
- Step 1: Write the proportion equation
3,244,587.95 : 4,476,178.98 = 1,867,602.18 : x - Step 2: Convert to fraction form
3,244,587.95/4,476,178.98 = 1,867,602.18/x - Step 3: Cross multiply
3,244,587.95x = 4,476,178.98 × 1,867,602.18 - Step 4: Simplify right side
3,244,587.95x = 8,359,721,612,725.34 - Step 5: Solve for x
x = 8,359,721,612,725.34/3,244,587.95 - Step 6: Final answer
x = 2,576,512.56
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1.5x scale
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.