Finding the Fourth Proportional to 2,146,750.40, 3,220,125.60 and 1,390,923.20
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Solution
The fourth proportional to 2,146,750.40, 3,220,125.60 and 1,390,923.20 is: 2,086,384.80
Step by Step Solution
- Step 1: Write the proportion equation
2,146,750.40 : 3,220,125.60 = 1,390,923.20 : x - Step 2: Convert to fraction form
2,146,750.40/3,220,125.60 = 1,390,923.20/x - Step 3: Cross multiply
2,146,750.40x = 3,220,125.60 × 1,390,923.20 - Step 4: Simplify right side
2,146,750.40x = 4,478,947,403,953.92 - Step 5: Solve for x
x = 4,478,947,403,953.92/2,146,750.40 - Step 6: Final answer
x = 2,086,384.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.