Finding the Fourth Proportional to 1,490,190.27, 2,056,405.48 and 845,572.02
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Solution
The fourth proportional to 1,490,190.27, 2,056,405.48 and 845,572.02 is: 1,166,856.99
Step by Step Solution
- Step 1: Write the proportion equation
1,490,190.27 : 2,056,405.48 = 845,572.02 : x - Step 2: Convert to fraction form
1,490,190.27/2,056,405.48 = 845,572.02/x - Step 3: Cross multiply
1,490,190.27x = 2,056,405.48 × 845,572.02 - Step 4: Simplify right side
1,490,190.27x = 1,738,838,935,662.67 - Step 5: Solve for x
x = 1,738,838,935,662.67/1,490,190.27 - Step 6: Final answer
x = 1,166,856.99
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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.