Finding the Fourth Proportional to 1,609,110.12, 2,220,586.06 and 883,972.60
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Solution
The fourth proportional to 1,609,110.12, 2,220,586.06 and 883,972.60 is: 1,219,889.93
Step by Step Solution
- Step 1: Write the proportion equation
1,609,110.12 : 2,220,586.06 = 883,972.60 : x - Step 2: Convert to fraction form
1,609,110.12/2,220,586.06 = 883,972.60/x - Step 3: Cross multiply
1,609,110.12x = 2,220,586.06 × 883,972.60 - Step 4: Simplify right side
1,609,110.12x = 1,962,937,232,981.96 - Step 5: Solve for x
x = 1,962,937,232,981.96/1,609,110.12 - Step 6: Final answer
x = 1,219,889.93
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1.5x scale
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.