Finding the Fourth Proportional to 1,791,712.20, 2,687,568.30 and 1,119,865.80
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Solution
The fourth proportional to 1,791,712.20, 2,687,568.30 and 1,119,865.80 is: 1,679,798.70
Step by Step Solution
- Step 1: Write the proportion equation
1,791,712.20 : 2,687,568.30 = 1,119,865.80 : x - Step 2: Convert to fraction form
1,791,712.20/2,687,568.30 = 1,119,865.80/x - Step 3: Cross multiply
1,791,712.20x = 2,687,568.30 × 1,119,865.80 - Step 4: Simplify right side
1,791,712.20x = 3,009,715,824,334.14 - Step 5: Solve for x
x = 3,009,715,824,334.14/1,791,712.20 - Step 6: Final answer
x = 1,679,798.70
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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.