Finding the Fourth Proportional to 2,317,447.26, 3,197,443.28 and 1,386,780.35
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Solution
The fourth proportional to 2,317,447.26, 3,197,443.28 and 1,386,780.35 is: 1,913,377.52
Step by Step Solution
- Step 1: Write the proportion equation
2,317,447.26 : 3,197,443.28 = 1,386,780.35 : x - Step 2: Convert to fraction form
2,317,447.26/3,197,443.28 = 1,386,780.35/x - Step 3: Cross multiply
2,317,447.26x = 3,197,443.28 × 1,386,780.35 - Step 4: Simplify right side
2,317,447.26x = 4,434,151,488,022.43 - Step 5: Solve for x
x = 4,434,151,488,022.43/2,317,447.26 - Step 6: Final answer
x = 1,913,377.52
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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.