Finding the Fourth Proportional to 1,523,690.68, 2,102,716.80 and 835,425.40
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Solution
The fourth proportional to 1,523,690.68, 2,102,716.80 and 835,425.40 is: 1,152,900.03
Step by Step Solution
- Step 1: Write the proportion equation
1,523,690.68 : 2,102,716.80 = 835,425.40 : x - Step 2: Convert to fraction form
1,523,690.68/2,102,716.80 = 835,425.40/x - Step 3: Cross multiply
1,523,690.68x = 2,102,716.80 × 835,425.40 - Step 4: Simplify right side
1,523,690.68x = 1,756,663,023,726.72 - Step 5: Solve for x
x = 1,756,663,023,726.72/1,523,690.68 - Step 6: Final answer
x = 1,152,900.03
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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.