Finding the Fourth Proportional to 3,411,887.81, 4,709,212.83 and 1,962,420.75
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Solution
The fourth proportional to 3,411,887.81, 4,709,212.83 and 1,962,420.75 is: 2,708,605.18
Step by Step Solution
- Step 1: Write the proportion equation
3,411,887.81 : 4,709,212.83 = 1,962,420.75 : x - Step 2: Convert to fraction form
3,411,887.81/4,709,212.83 = 1,962,420.75/x - Step 3: Cross multiply
3,411,887.81x = 4,709,212.83 × 1,962,420.75 - Step 4: Simplify right side
3,411,887.81x = 9,241,456,973,758.22 - Step 5: Solve for x
x = 9,241,456,973,758.22/3,411,887.81 - Step 6: Final answer
x = 2,708,605.18
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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.