Finding the Fourth Proportional to 2,430,718.14, 3,354,426.24 and 1,343,014.76
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Solution
The fourth proportional to 2,430,718.14, 3,354,426.24 and 1,343,014.76 is: 1,853,379.82
Step by Step Solution
- Step 1: Write the proportion equation
2,430,718.14 : 3,354,426.24 = 1,343,014.76 : x - Step 2: Convert to fraction form
2,430,718.14/3,354,426.24 = 1,343,014.76/x - Step 3: Cross multiply
2,430,718.14x = 3,354,426.24 × 1,343,014.76 - Step 4: Simplify right side
2,430,718.14x = 4,505,043,951,651.30 - Step 5: Solve for x
x = 4,505,043,951,651.30/2,430,718.14 - Step 6: Final answer
x = 1,853,379.82
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1.5x scale
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.