Finding the Fourth Proportional to 1,475,867.84, 2,036,850.72 and 903,289.28
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Solution
The fourth proportional to 1,475,867.84, 2,036,850.72 and 903,289.28 is: 1,246,632.91
Step by Step Solution
- Step 1: Write the proportion equation
1,475,867.84 : 2,036,850.72 = 903,289.28 : x - Step 2: Convert to fraction form
1,475,867.84/2,036,850.72 = 903,289.28/x - Step 3: Cross multiply
1,475,867.84x = 2,036,850.72 × 903,289.28 - Step 4: Simplify right side
1,475,867.84x = 1,839,865,420,336.28 - Step 5: Solve for x
x = 1,839,865,420,336.28/1,475,867.84 - Step 6: Final answer
x = 1,246,632.91
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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.