Finding the Fourth Proportional to 1,340,459.70, 2,012,121.99 and 542,263.02
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Solution
The fourth proportional to 1,340,459.70, 2,012,121.99 and 542,263.02 is: 813,974.00
Step by Step Solution
- Step 1: Write the proportion equation
1,340,459.70 : 2,012,121.99 = 542,263.02 : x - Step 2: Convert to fraction form
1,340,459.70/2,012,121.99 = 542,263.02/x - Step 3: Cross multiply
1,340,459.70x = 2,012,121.99 × 542,263.02 - Step 4: Simplify right side
1,340,459.70x = 1,091,099,346,905.81 - Step 5: Solve for x
x = 1,091,099,346,905.81/1,340,459.70 - Step 6: Final answer
x = 813,974.00
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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.