Finding the Fourth Proportional to 1,897,037.21, 2,617,691.07 and 1,122,701.92
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Solution
The fourth proportional to 1,897,037.21, 2,617,691.07 and 1,122,701.92 is: 1,549,198.28
Step by Step Solution
- Step 1: Write the proportion equation
1,897,037.21 : 2,617,691.07 = 1,122,701.92 : x - Step 2: Convert to fraction form
1,897,037.21/2,617,691.07 = 1,122,701.92/x - Step 3: Cross multiply
1,897,037.21x = 2,617,691.07 × 1,122,701.92 - Step 4: Simplify right side
1,897,037.21x = 2,938,886,787,921.76 - Step 5: Solve for x
x = 2,938,886,787,921.76/1,897,037.21 - Step 6: Final answer
x = 1,549,198.28
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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.