Finding the Fourth Proportional to 1,517,538.63, 2,277,928.45 and 653,401.62
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Solution
The fourth proportional to 1,517,538.63, 2,277,928.45 and 653,401.62 is: 980,800.17
Step by Step Solution
- Step 1: Write the proportion equation
1,517,538.63 : 2,277,928.45 = 653,401.62 : x - Step 2: Convert to fraction form
1,517,538.63/2,277,928.45 = 653,401.62/x - Step 3: Cross multiply
1,517,538.63x = 2,277,928.45 × 653,401.62 - Step 4: Simplify right side
1,517,538.63x = 1,488,402,137,782.99 - Step 5: Solve for x
x = 1,488,402,137,782.99/1,517,538.63 - Step 6: Final answer
x = 980,800.17
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1.5x scale
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.