Finding the Fourth Proportional to 1,536,618.60, 2,120,747.40 and 857,598.84
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Solution
The fourth proportional to 1,536,618.60, 2,120,747.40 and 857,598.84 is: 1,183,605.68
Step by Step Solution
- Step 1: Write the proportion equation
1,536,618.60 : 2,120,747.40 = 857,598.84 : x - Step 2: Convert to fraction form
1,536,618.60/2,120,747.40 = 857,598.84/x - Step 3: Cross multiply
1,536,618.60x = 2,120,747.40 × 857,598.84 - Step 4: Simplify right side
1,536,618.60x = 1,818,750,510,173.02 - Step 5: Solve for x
x = 1,818,750,510,173.02/1,536,618.60 - Step 6: Final answer
x = 1,183,605.68
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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.