Finding the Fourth Proportional to 1,395,011.81, 1,925,050.73 and 774,857.18
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Solution
The fourth proportional to 1,395,011.81, 1,925,050.73 and 774,857.18 is: 1,069,266.49
Step by Step Solution
- Step 1: Write the proportion equation
1,395,011.81 : 1,925,050.73 = 774,857.18 : x - Step 2: Convert to fraction form
1,395,011.81/1,925,050.73 = 774,857.18/x - Step 3: Cross multiply
1,395,011.81x = 1,925,050.73 × 774,857.18 - Step 4: Simplify right side
1,395,011.81x = 1,491,639,380,943.08 - Step 5: Solve for x
x = 1,491,639,380,943.08/1,395,011.81 - Step 6: Final answer
x = 1,069,266.49
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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.