Finding the Fourth Proportional to 1,557,510.60, 2,334,953.70 and 809,556.60
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Solution
The fourth proportional to 1,557,510.60, 2,334,953.70 and 809,556.60 is: 1,213,652.85
Step by Step Solution
- Step 1: Write the proportion equation
1,557,510.60 : 2,334,953.70 = 809,556.60 : x - Step 2: Convert to fraction form
1,557,510.60/2,334,953.70 = 809,556.60/x - Step 3: Cross multiply
1,557,510.60x = 2,334,953.70 × 809,556.60 - Step 4: Simplify right side
1,557,510.60x = 1,890,277,178,529.42 - Step 5: Solve for x
x = 1,890,277,178,529.42/1,557,510.60 - Step 6: Final answer
x = 1,213,652.85
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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.