Finding the Fourth Proportional to 1,539,461.20, 2,124,560.46 and 894,879.40
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Solution
The fourth proportional to 1,539,461.20, 2,124,560.46 and 894,879.40 is: 1,234,994.03
Step by Step Solution
- Step 1: Write the proportion equation
1,539,461.20 : 2,124,560.46 = 894,879.40 : x - Step 2: Convert to fraction form
1,539,461.20/2,124,560.46 = 894,879.40/x - Step 3: Cross multiply
1,539,461.20x = 2,124,560.46 × 894,879.40 - Step 4: Simplify right side
1,539,461.20x = 1,901,225,389,708.52 - Step 5: Solve for x
x = 1,901,225,389,708.52/1,539,461.20 - Step 6: Final answer
x = 1,234,994.03
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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.