Finding the Fourth Proportional to 1,612,376.55, 2,225,095.43 and 887,239.87
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Solution
The fourth proportional to 1,612,376.55, 2,225,095.43 and 887,239.87 is: 1,224,399.70
Step by Step Solution
- Step 1: Write the proportion equation
1,612,376.55 : 2,225,095.43 = 887,239.87 : x - Step 2: Convert to fraction form
1,612,376.55/2,225,095.43 = 887,239.87/x - Step 3: Cross multiply
1,612,376.55x = 2,225,095.43 × 887,239.87 - Step 4: Simplify right side
1,612,376.55x = 1,974,193,370,051.86 - Step 5: Solve for x
x = 1,974,193,370,051.86/1,612,376.55 - Step 6: Final answer
x = 1,224,399.70
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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.