Finding the Fourth Proportional to 1,651,655.19, 2,279,280.45 and 916,722.06
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Solution
The fourth proportional to 1,651,655.19, 2,279,280.45 and 916,722.06 is: 1,265,074.38
Step by Step Solution
- Step 1: Write the proportion equation
1,651,655.19 : 2,279,280.45 = 916,722.06 : x - Step 2: Convert to fraction form
1,651,655.19/2,279,280.45 = 916,722.06/x - Step 3: Cross multiply
1,651,655.19x = 2,279,280.45 × 916,722.06 - Step 4: Simplify right side
1,651,655.19x = 2,089,466,669,441.73 - Step 5: Solve for x
x = 2,089,466,669,441.73/1,651,655.19 - Step 6: Final answer
x = 1,265,074.38
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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.