Finding the Fourth Proportional to 1,763,538.40, 2,433,873.30 and 999,509.92
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Solution
The fourth proportional to 1,763,538.40, 2,433,873.30 and 999,509.92 is: 1,379,431.55
Step by Step Solution
- Step 1: Write the proportion equation
1,763,538.40 : 2,433,873.30 = 999,509.92 : x - Step 2: Convert to fraction form
1,763,538.40/2,433,873.30 = 999,509.92/x - Step 3: Cross multiply
1,763,538.40x = 2,433,873.30 × 999,509.92 - Step 4: Simplify right side
1,763,538.40x = 2,432,680,507,373.14 - Step 5: Solve for x
x = 2,432,680,507,373.14/1,763,538.40 - Step 6: Final answer
x = 1,379,431.55
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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.