Finding the Fourth Proportional to 2,576,357.10, 3,555,483.84 and 1,430,437.50
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Solution
The fourth proportional to 2,576,357.10, 3,555,483.84 and 1,430,437.50 is: 1,974,065.40
Step by Step Solution
- Step 1: Write the proportion equation
2,576,357.10 : 3,555,483.84 = 1,430,437.50 : x - Step 2: Convert to fraction form
2,576,357.10/3,555,483.84 = 1,430,437.50/x - Step 3: Cross multiply
2,576,357.10x = 3,555,483.84 × 1,430,437.50 - Step 4: Simplify right side
2,576,357.10x = 5,085,897,415,380 - Step 5: Solve for x
x = 5,085,897,415,380/2,576,357.10 - Step 6: Final answer
x = 1,974,065.40
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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.