Finding the Fourth Proportional to 1,545,557.10, 2,130,908.84 and 1,104,558.68
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Solution
The fourth proportional to 1,545,557.10, 2,130,908.84 and 1,104,558.68 is: 1,522,890.26
Step by Step Solution
- Step 1: Write the proportion equation
1,545,557.10 : 2,130,908.84 = 1,104,558.68 : x - Step 2: Convert to fraction form
1,545,557.10/2,130,908.84 = 1,104,558.68/x - Step 3: Cross multiply
1,545,557.10x = 2,130,908.84 × 1,104,558.68 - Step 4: Simplify right side
1,545,557.10x = 2,353,713,847,617.58 - Step 5: Solve for x
x = 2,353,713,847,617.58/1,545,557.10 - Step 6: Final answer
x = 1,522,890.26
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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.