Finding the Fourth Proportional to 2,516,021.64, 3,472,075.50 and 1,428,283.68
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Solution
The fourth proportional to 2,516,021.64, 3,472,075.50 and 1,428,283.68 is: 1,971,011.97
Step by Step Solution
- Step 1: Write the proportion equation
2,516,021.64 : 3,472,075.50 = 1,428,283.68 : x - Step 2: Convert to fraction form
2,516,021.64/3,472,075.50 = 1,428,283.68/x - Step 3: Cross multiply
2,516,021.64x = 3,472,075.50 × 1,428,283.68 - Step 4: Simplify right side
2,516,021.64x = 4,959,108,772,377.84 - Step 5: Solve for x
x = 4,959,108,772,377.84/2,516,021.64 - Step 6: Final answer
x = 1,971,011.97
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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.