Finding the Fourth Proportional to 1,490,190.03, 2,056,405.14 and 845,571.78
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Solution
The fourth proportional to 1,490,190.03, 2,056,405.14 and 845,571.78 is: 1,166,856.66
Step by Step Solution
- Step 1: Write the proportion equation
1,490,190.03 : 2,056,405.14 = 845,571.78 : x - Step 2: Convert to fraction form
1,490,190.03/2,056,405.14 = 845,571.78/x - Step 3: Cross multiply
1,490,190.03x = 2,056,405.14 × 845,571.78 - Step 4: Simplify right side
1,490,190.03x = 1,738,838,154,630.95 - Step 5: Solve for x
x = 1,738,838,154,630.95/1,490,190.03 - Step 6: Final answer
x = 1,166,856.66
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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.