Finding the Fourth Proportional to 2,772,313.40, 4,158,081.30 and 879,246.20
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Solution
The fourth proportional to 2,772,313.40, 4,158,081.30 and 879,246.20 is: 1,318,745.99
Step by Step Solution
- Step 1: Write the proportion equation
2,772,313.40 : 4,158,081.30 = 879,246.20 : x - Step 2: Convert to fraction form
2,772,313.40/4,158,081.30 = 879,246.20/x - Step 3: Cross multiply
2,772,313.40x = 4,158,081.30 × 879,246.20 - Step 4: Simplify right side
2,772,313.40x = 3,655,977,182,316.06 - Step 5: Solve for x
x = 3,655,977,182,316.06/2,772,313.40 - Step 6: Final answer
x = 1,318,745.99
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1.5x scale
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.