Finding the Fourth Proportional to 4,009,271.80, 6,014,490.90 and 1,313,138.20
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Solution
The fourth proportional to 4,009,271.80, 6,014,490.90 and 1,313,138.20 is: 1,969,898.31
Step by Step Solution
- Step 1: Write the proportion equation
4,009,271.80 : 6,014,490.90 = 1,313,138.20 : x - Step 2: Convert to fraction form
4,009,271.80/6,014,490.90 = 1,313,138.20/x - Step 3: Cross multiply
4,009,271.80x = 6,014,490.90 × 1,313,138.20 - Step 4: Simplify right side
4,009,271.80x = 7,897,857,754,342.38 - Step 5: Solve for x
x = 7,897,857,754,342.38/4,009,271.80 - Step 6: Final answer
x = 1,969,898.31
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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.