Finding the Fourth Proportional to 1,759,763.40, 2,642,852.70 and 1,539,313.80
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Solution
The fourth proportional to 1,759,763.40, 2,642,852.70 and 1,539,313.80 is: 2,311,776.48
Step by Step Solution
- Step 1: Write the proportion equation
1,759,763.40 : 2,642,852.70 = 1,539,313.80 : x - Step 2: Convert to fraction form
1,759,763.40/2,642,852.70 = 1,539,313.80/x - Step 3: Cross multiply
1,759,763.40x = 2,642,852.70 × 1,539,313.80 - Step 4: Simplify right side
1,759,763.40x = 4,068,179,632,477.26 - Step 5: Solve for x
x = 4,068,179,632,477.26/1,759,763.40 - Step 6: Final answer
x = 2,311,776.48
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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.