Finding the Fourth Proportional to 1,790,188.28, 2,470,513.35 and 1,102,257.06
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Solution
The fourth proportional to 1,790,188.28, 2,470,513.35 and 1,102,257.06 is: 1,521,147.70
Step by Step Solution
- Step 1: Write the proportion equation
1,790,188.28 : 2,470,513.35 = 1,102,257.06 : x - Step 2: Convert to fraction form
1,790,188.28/2,470,513.35 = 1,102,257.06/x - Step 3: Cross multiply
1,790,188.28x = 2,470,513.35 × 1,102,257.06 - Step 4: Simplify right side
1,790,188.28x = 2,723,140,781,861.75 - Step 5: Solve for x
x = 2,723,140,781,861.75/1,790,188.28 - Step 6: Final answer
x = 1,521,147.70
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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.