Finding the Fourth Proportional to 2,576,564.71, 3,555,767.78 and 1,430,751.67
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Solution
The fourth proportional to 2,576,564.71, 3,555,767.78 and 1,430,751.67 is: 1,974,497.54
Step by Step Solution
- Step 1: Write the proportion equation
2,576,564.71 : 3,555,767.78 = 1,430,751.67 : x - Step 2: Convert to fraction form
2,576,564.71/3,555,767.78 = 1,430,751.67/x - Step 3: Cross multiply
2,576,564.71x = 3,555,767.78 × 1,430,751.67 - Step 4: Simplify right side
2,576,564.71x = 5,087,420,689,367.19 - Step 5: Solve for x
x = 5,087,420,689,367.19/2,576,564.71 - Step 6: Final answer
x = 1,974,497.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.