Finding the Fourth Proportional to 1,526,704.52, 2,106,854.10 and 838,420.74
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Solution
The fourth proportional to 1,526,704.52, 2,106,854.10 and 838,420.74 is: 1,157,021.65
Step by Step Solution
- Step 1: Write the proportion equation
1,526,704.52 : 2,106,854.10 = 838,420.74 : x - Step 2: Convert to fraction form
1,526,704.52/2,106,854.10 = 838,420.74/x - Step 3: Cross multiply
1,526,704.52x = 2,106,854.10 × 838,420.74 - Step 4: Simplify right side
1,526,704.52x = 1,766,430,173,594.03 - Step 5: Solve for x
x = 1,766,430,173,594.03/1,526,704.52 - Step 6: Final answer
x = 1,157,021.65
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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.