Finding the Fourth Proportional to 1,534,289.16, 2,118,226.19 and 1,364,052.07
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Solution
The fourth proportional to 1,534,289.16, 2,118,226.19 and 1,364,052.07 is: 1,883,198.35
Step by Step Solution
- Step 1: Write the proportion equation
1,534,289.16 : 2,118,226.19 = 1,364,052.07 : x - Step 2: Convert to fraction form
1,534,289.16/2,118,226.19 = 1,364,052.07/x - Step 3: Cross multiply
1,534,289.16x = 2,118,226.19 × 1,364,052.07 - Step 4: Simplify right side
1,534,289.16x = 2,889,370,819,197.71 - Step 5: Solve for x
x = 2,889,370,819,197.71/1,534,289.16 - Step 6: Final answer
x = 1,883,198.35
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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.