Finding the Fourth Proportional to 2,221,674.60, 3,065,893.40 and 1,203,079.34
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Solution
The fourth proportional to 2,221,674.60, 3,065,893.40 and 1,203,079.34 is: 1,660,239.99
Step by Step Solution
- Step 1: Write the proportion equation
2,221,674.60 : 3,065,893.40 = 1,203,079.34 : x - Step 2: Convert to fraction form
2,221,674.60/3,065,893.40 = 1,203,079.34/x - Step 3: Cross multiply
2,221,674.60x = 3,065,893.40 × 1,203,079.34 - Step 4: Simplify right side
2,221,674.60x = 3,688,513,008,182.36 - Step 5: Solve for x
x = 3,688,513,008,182.36/2,221,674.60 - Step 6: Final answer
x = 1,660,239.99
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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.