Finding the Fourth Proportional to 1,509,135.83, 2,082,605.95 and 864,558.58
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Solution
The fourth proportional to 1,509,135.83, 2,082,605.95 and 864,558.58 is: 1,193,089.98
Step by Step Solution
- Step 1: Write the proportion equation
1,509,135.83 : 2,082,605.95 = 864,558.58 : x - Step 2: Convert to fraction form
1,509,135.83/2,082,605.95 = 864,558.58/x - Step 3: Cross multiply
1,509,135.83x = 2,082,605.95 × 864,558.58 - Step 4: Simplify right side
1,509,135.83x = 1,800,534,842,831.55 - Step 5: Solve for x
x = 1,800,534,842,831.55/1,509,135.83 - Step 6: Final answer
x = 1,193,089.98
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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.