Finding the Fourth Proportional to 1,615,027.58, 2,228,895.11 and 1,206,420.02
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Solution
The fourth proportional to 1,615,027.58, 2,228,895.11 and 1,206,420.02 is: 1,664,976.95
Step by Step Solution
- Step 1: Write the proportion equation
1,615,027.58 : 2,228,895.11 = 1,206,420.02 : x - Step 2: Convert to fraction form
1,615,027.58/2,228,895.11 = 1,206,420.02/x - Step 3: Cross multiply
1,615,027.58x = 2,228,895.11 × 1,206,420.02 - Step 4: Simplify right side
1,615,027.58x = 2,688,983,682,724.24 - Step 5: Solve for x
x = 2,688,983,682,724.24/1,615,027.58 - Step 6: Final answer
x = 1,664,976.95
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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.