Finding the Fourth Proportional to 1,567,419.90, 2,351,129.85 and 819,695.10
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Solution
The fourth proportional to 1,567,419.90, 2,351,129.85 and 819,695.10 is: 1,229,542.65
Step by Step Solution
- Step 1: Write the proportion equation
1,567,419.90 : 2,351,129.85 = 819,695.10 : x - Step 2: Convert to fraction form
1,567,419.90/2,351,129.85 = 819,695.10/x - Step 3: Cross multiply
1,567,419.90x = 2,351,129.85 × 819,695.10 - Step 4: Simplify right side
1,567,419.90x = 1,927,209,617,508.74 - Step 5: Solve for x
x = 1,927,209,617,508.74/1,567,419.90 - Step 6: Final answer
x = 1,229,542.65
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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.