Finding the Fourth Proportional to 2,840,270.06, 3,919,603.90 and 1,551,148.40
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Solution
The fourth proportional to 2,840,270.06, 3,919,603.90 and 1,551,148.40 is: 2,140,601.84
Step by Step Solution
- Step 1: Write the proportion equation
2,840,270.06 : 3,919,603.90 = 1,551,148.40 : x - Step 2: Convert to fraction form
2,840,270.06/3,919,603.90 = 1,551,148.40/x - Step 3: Cross multiply
2,840,270.06x = 3,919,603.90 × 1,551,148.40 - Step 4: Simplify right side
2,840,270.06x = 6,079,887,318,118.76 - Step 5: Solve for x
x = 6,079,887,318,118.76/2,840,270.06 - Step 6: Final answer
x = 2,140,601.84
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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.