Finding the Fourth Proportional to 1,679,708.07, 2,520,607.01 and 682,436.07
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Solution
The fourth proportional to 1,679,708.07, 2,520,607.01 and 682,436.07 is: 1,024,078.63
Step by Step Solution
- Step 1: Write the proportion equation
1,679,708.07 : 2,520,607.01 = 682,436.07 : x - Step 2: Convert to fraction form
1,679,708.07/2,520,607.01 = 682,436.07/x - Step 3: Cross multiply
1,679,708.07x = 2,520,607.01 × 682,436.07 - Step 4: Simplify right side
1,679,708.07x = 1,720,153,138,506.67 - Step 5: Solve for x
x = 1,720,153,138,506.67/1,679,708.07 - Step 6: Final answer
x = 1,024,078.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.