Finding the Fourth Proportional to 1,891,586.63, 2,610,447.24 and 1,075,907.85
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Solution
The fourth proportional to 1,891,586.63, 2,610,447.24 and 1,075,907.85 is: 1,484,785.64
Step by Step Solution
- Step 1: Write the proportion equation
1,891,586.63 : 2,610,447.24 = 1,075,907.85 : x - Step 2: Convert to fraction form
1,891,586.63/2,610,447.24 = 1,075,907.85/x - Step 3: Cross multiply
1,891,586.63x = 2,610,447.24 × 1,075,907.85 - Step 4: Simplify right side
1,891,586.63x = 2,808,600,671,772.31 - Step 5: Solve for x
x = 2,808,600,671,772.31/1,891,586.63 - Step 6: Final answer
x = 1,484,785.64
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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.