Finding the Fourth Proportional to 1,720,928.99, 2,579,498.60 and 709,496.17
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Solution
The fourth proportional to 1,720,928.99, 2,579,498.60 and 709,496.17 is: 1,063,463.03
Step by Step Solution
- Step 1: Write the proportion equation
1,720,928.99 : 2,579,498.60 = 709,496.17 : x - Step 2: Convert to fraction form
1,720,928.99/2,579,498.60 = 709,496.17/x - Step 3: Cross multiply
1,720,928.99x = 2,579,498.60 × 709,496.17 - Step 4: Simplify right side
1,720,928.99x = 1,830,144,367,224.13 - Step 5: Solve for x
x = 1,830,144,367,224.13/1,720,928.99 - Step 6: Final answer
x = 1,063,463.03
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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.