Finding the Fourth Proportional to 1,523,682.12, 2,102,698.40 and 870,394.62
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Solution
The fourth proportional to 1,523,682.12, 2,102,698.40 and 870,394.62 is: 1,201,154.33
Step by Step Solution
- Step 1: Write the proportion equation
1,523,682.12 : 2,102,698.40 = 870,394.62 : x - Step 2: Convert to fraction form
1,523,682.12/2,102,698.40 = 870,394.62/x - Step 3: Cross multiply
1,523,682.12x = 2,102,698.40 × 870,394.62 - Step 4: Simplify right side
1,523,682.12x = 1,830,177,370,490.64 - Step 5: Solve for x
x = 1,830,177,370,490.64/1,523,682.12 - Step 6: Final answer
x = 1,201,154.33
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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.