Finding the Fourth Proportional to 1,889,813.76, 2,609,004.24 and 1,309,879.68
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Solution
The fourth proportional to 1,889,813.76, 2,609,004.24 and 1,309,879.68 is: 1,808,369.54
Step by Step Solution
- Step 1: Write the proportion equation
1,889,813.76 : 2,609,004.24 = 1,309,879.68 : x - Step 2: Convert to fraction form
1,889,813.76/2,609,004.24 = 1,309,879.68/x - Step 3: Cross multiply
1,889,813.76x = 2,609,004.24 × 1,309,879.68 - Step 4: Simplify right side
1,889,813.76x = 3,417,481,639,009.84 - Step 5: Solve for x
x = 3,417,481,639,009.84/1,889,813.76 - Step 6: Final answer
x = 1,808,369.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.