Finding the Fourth Proportional to 2,477,074.57, 3,418,089.64 and 1,389,122.26
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Solution
The fourth proportional to 2,477,074.57, 3,418,089.64 and 1,389,122.26 is: 1,916,835.47
Step by Step Solution
- Step 1: Write the proportion equation
2,477,074.57 : 3,418,089.64 = 1,389,122.26 : x - Step 2: Convert to fraction form
2,477,074.57/3,418,089.64 = 1,389,122.26/x - Step 3: Cross multiply
2,477,074.57x = 3,418,089.64 × 1,389,122.26 - Step 4: Simplify right side
2,477,074.57x = 4,748,144,393,581.36 - Step 5: Solve for x
x = 4,748,144,393,581.36/2,477,074.57 - Step 6: Final answer
x = 1,916,835.47
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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.