Finding the Fourth Proportional to 1,367,988.46, 2,052,203.19 and 421,358.74
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Solution
The fourth proportional to 1,367,988.46, 2,052,203.19 and 421,358.74 is: 632,106.03
Step by Step Solution
- Step 1: Write the proportion equation
1,367,988.46 : 2,052,203.19 = 421,358.74 : x - Step 2: Convert to fraction form
1,367,988.46/2,052,203.19 = 421,358.74/x - Step 3: Cross multiply
1,367,988.46x = 2,052,203.19 × 421,358.74 - Step 4: Simplify right side
1,367,988.46x = 864,713,750,362.38 - Step 5: Solve for x
x = 864,713,750,362.38/1,367,988.46 - Step 6: Final answer
x = 632,106.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.