Finding the Fourth Proportional to 1,284,374.47, 1,925,171.13 and 835,416.17
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Solution
The fourth proportional to 1,284,374.47, 1,925,171.13 and 835,416.17 is: 1,252,219.76
Step by Step Solution
- Step 1: Write the proportion equation
1,284,374.47 : 1,925,171.13 = 835,416.17 : x - Step 2: Convert to fraction form
1,284,374.47/1,925,171.13 = 835,416.17/x - Step 3: Cross multiply
1,284,374.47x = 1,925,171.13 × 835,416.17 - Step 4: Simplify right side
1,284,374.47x = 1,608,319,087,842.09 - Step 5: Solve for x
x = 1,608,319,087,842.09/1,284,374.47 - Step 6: Final answer
x = 1,252,219.76
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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.