Finding the Fourth Proportional to 1,689,767.63, 2,534,650.85 and 1,122,256.76
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Solution
The fourth proportional to 1,689,767.63, 2,534,650.85 and 1,122,256.76 is: 1,683,384.74
Step by Step Solution
- Step 1: Write the proportion equation
1,689,767.63 : 2,534,650.85 = 1,122,256.76 : x - Step 2: Convert to fraction form
1,689,767.63/2,534,650.85 = 1,122,256.76/x - Step 3: Cross multiply
1,689,767.63x = 2,534,650.85 × 1,122,256.76 - Step 4: Simplify right side
1,689,767.63x = 2,844,529,040,784.63 - Step 5: Solve for x
x = 2,844,529,040,784.63/1,689,767.63 - Step 6: Final answer
x = 1,683,384.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.