Finding the Fourth Proportional to 2,197,947.19, 3,034,648.29 and 1,372,279.17
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Solution
The fourth proportional to 2,197,947.19, 3,034,648.29 and 1,372,279.17 is: 1,894,670.02
Step by Step Solution
- Step 1: Write the proportion equation
2,197,947.19 : 3,034,648.29 = 1,372,279.17 : x - Step 2: Convert to fraction form
2,197,947.19/3,034,648.29 = 1,372,279.17/x - Step 3: Cross multiply
2,197,947.19x = 3,034,648.29 × 1,372,279.17 - Step 4: Simplify right side
2,197,947.19x = 4,164,384,648,023.05 - Step 5: Solve for x
x = 4,164,384,648,023.05/2,197,947.19 - Step 6: Final answer
x = 1,894,670.02
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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.