Finding the Fourth Proportional to 1,559,114.40, 2,340,421.20 and 1,205,695.20
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Solution
The fourth proportional to 1,559,114.40, 2,340,421.20 and 1,205,695.20 is: 1,809,895.80
Step by Step Solution
- Step 1: Write the proportion equation
1,559,114.40 : 2,340,421.20 = 1,205,695.20 : x - Step 2: Convert to fraction form
1,559,114.40/2,340,421.20 = 1,205,695.20/x - Step 3: Cross multiply
1,559,114.40x = 2,340,421.20 × 1,205,695.20 - Step 4: Simplify right side
1,559,114.40x = 2,821,834,606,818.24 - Step 5: Solve for x
x = 2,821,834,606,818.24/1,559,114.40 - Step 6: Final answer
x = 1,809,895.80
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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.