Finding the Fourth Proportional to 1,925,913.84, 2,658,619.44 and 1,272,933.15
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Solution
The fourth proportional to 1,925,913.84, 2,658,619.44 and 1,272,933.15 is: 1,757,215.07
Step by Step Solution
- Step 1: Write the proportion equation
1,925,913.84 : 2,658,619.44 = 1,272,933.15 : x - Step 2: Convert to fraction form
1,925,913.84/2,658,619.44 = 1,272,933.15/x - Step 3: Cross multiply
1,925,913.84x = 2,658,619.44 × 1,272,933.15 - Step 4: Simplify right side
1,925,913.84x = 3,384,244,818,410.44 - Step 5: Solve for x
x = 3,384,244,818,410.44/1,925,913.84 - Step 6: Final answer
x = 1,757,215.07
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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.