Finding the Fourth Proportional to 2,996,536.86, 4,495,471.11 and 1,398,228.12
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Solution
The fourth proportional to 2,996,536.86, 4,495,471.11 and 1,398,228.12 is: 2,097,652.86
Step by Step Solution
- Step 1: Write the proportion equation
2,996,536.86 : 4,495,471.11 = 1,398,228.12 : x - Step 2: Convert to fraction form
2,996,536.86/4,495,471.11 = 1,398,228.12/x - Step 3: Cross multiply
2,996,536.86x = 4,495,471.11 × 1,398,228.12 - Step 4: Simplify right side
2,996,536.86x = 6,285,694,118,649.61 - Step 5: Solve for x
x = 6,285,694,118,649.61/2,996,536.86 - Step 6: Final answer
x = 2,097,652.86
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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.