Finding the Fourth Proportional to 1,518,315.60, 2,277,473.40 and 619,458.60
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Solution
The fourth proportional to 1,518,315.60, 2,277,473.40 and 619,458.60 is: 929,187.90
Step by Step Solution
- Step 1: Write the proportion equation
1,518,315.60 : 2,277,473.40 = 619,458.60 : x - Step 2: Convert to fraction form
1,518,315.60/2,277,473.40 = 619,458.60/x - Step 3: Cross multiply
1,518,315.60x = 2,277,473.40 × 619,458.60 - Step 4: Simplify right side
1,518,315.60x = 1,410,800,483,901.24 - Step 5: Solve for x
x = 1,410,800,483,901.24/1,518,315.60 - Step 6: Final answer
x = 929,187.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.