Finding the Fourth Proportional to 1,963,052.99, 2,709,017.34 and 1,103,620.31
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Solution
The fourth proportional to 1,963,052.99, 2,709,017.34 and 1,103,620.31 is: 1,522,998.40
Step by Step Solution
- Step 1: Write the proportion equation
1,963,052.99 : 2,709,017.34 = 1,103,620.31 : x - Step 2: Convert to fraction form
1,963,052.99/2,709,017.34 = 1,103,620.31/x - Step 3: Cross multiply
1,963,052.99x = 2,709,017.34 × 1,103,620.31 - Step 4: Simplify right side
1,963,052.99x = 2,989,726,556,566.18 - Step 5: Solve for x
x = 2,989,726,556,566.18/1,963,052.99 - Step 6: Final answer
x = 1,522,998.40
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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.