Finding the Fourth Proportional to 4,890,485.30, 7,336,051.95 and 1,296,202.10
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Solution
The fourth proportional to 4,890,485.30, 7,336,051.95 and 1,296,202.10 is: 1,944,389.02
Step by Step Solution
- Step 1: Write the proportion equation
4,890,485.30 : 7,336,051.95 = 1,296,202.10 : x - Step 2: Convert to fraction form
4,890,485.30/7,336,051.95 = 1,296,202.10/x - Step 3: Cross multiply
4,890,485.30x = 7,336,051.95 × 1,296,202.10 - Step 4: Simplify right side
4,890,485.30x = 9,509,005,943,299.10 - Step 5: Solve for x
x = 9,509,005,943,299.10/4,890,485.30 - Step 6: Final answer
x = 1,944,389.02
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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.