Finding the Fourth Proportional to 2,138,303.29, 3,207,187.36 and 698,866.35
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Solution
The fourth proportional to 2,138,303.29, 3,207,187.36 and 698,866.35 is: 1,048,212.07
Step by Step Solution
- Step 1: Write the proportion equation
2,138,303.29 : 3,207,187.36 = 698,866.35 : x - Step 2: Convert to fraction form
2,138,303.29/3,207,187.36 = 698,866.35/x - Step 3: Cross multiply
2,138,303.29x = 3,207,187.36 × 698,866.35 - Step 4: Simplify right side
2,138,303.29x = 2,241,395,320,555.00 - Step 5: Solve for x
x = 2,241,395,320,555.00/2,138,303.29 - Step 6: Final answer
x = 1,048,212.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.