Finding the Fourth Proportional to 4,159,214.99, 6,238,803.03 and 1,126,574.99
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Solution
The fourth proportional to 4,159,214.99, 6,238,803.03 and 1,126,574.99 is: 1,689,857.22
Step by Step Solution
- Step 1: Write the proportion equation
4,159,214.99 : 6,238,803.03 = 1,126,574.99 : x - Step 2: Convert to fraction form
4,159,214.99/6,238,803.03 = 1,126,574.99/x - Step 3: Cross multiply
4,159,214.99x = 6,238,803.03 × 1,126,574.99 - Step 4: Simplify right side
4,159,214.99x = 7,028,479,461,134.22 - Step 5: Solve for x
x = 7,028,479,461,134.22/4,159,214.99 - Step 6: Final answer
x = 1,689,857.22
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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.