Finding the Fourth Proportional to 1,555,036.76, 2,332,555.16 and 657,491.96
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Solution
The fourth proportional to 1,555,036.76, 2,332,555.16 and 657,491.96 is: 986,237.95
Step by Step Solution
- Step 1: Write the proportion equation
1,555,036.76 : 2,332,555.16 = 657,491.96 : x - Step 2: Convert to fraction form
1,555,036.76/2,332,555.16 = 657,491.96/x - Step 3: Cross multiply
1,555,036.76x = 2,332,555.16 × 657,491.96 - Step 4: Simplify right side
1,555,036.76x = 1,533,636,266,500.44 - Step 5: Solve for x
x = 1,533,636,266,500.44/1,555,036.76 - Step 6: Final answer
x = 986,237.95
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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.