Finding the Fourth Proportional to 1,667,858.06, 2,301,643.68 and 903,911.70
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Solution
The fourth proportional to 1,667,858.06, 2,301,643.68 and 903,911.70 is: 1,247,397.91
Step by Step Solution
- Step 1: Write the proportion equation
1,667,858.06 : 2,301,643.68 = 903,911.70 : x - Step 2: Convert to fraction form
1,667,858.06/2,301,643.68 = 903,911.70/x - Step 3: Cross multiply
1,667,858.06x = 2,301,643.68 × 903,911.70 - Step 4: Simplify right side
1,667,858.06x = 2,080,482,651,583.06 - Step 5: Solve for x
x = 2,080,482,651,583.06/1,667,858.06 - Step 6: Final answer
x = 1,247,397.91
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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.