Finding the Fourth Proportional to 1,778,410.99, 2,667,313.04 and 640,946.82
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Solution
The fourth proportional to 1,778,410.99, 2,667,313.04 and 640,946.82 is: 961,310.87
Step by Step Solution
- Step 1: Write the proportion equation
1,778,410.99 : 2,667,313.04 = 640,946.82 : x - Step 2: Convert to fraction form
1,778,410.99/2,667,313.04 = 640,946.82/x - Step 3: Cross multiply
1,778,410.99x = 2,667,313.04 × 640,946.82 - Step 4: Simplify right side
1,778,410.99x = 1,709,605,821,335.55 - Step 5: Solve for x
x = 1,709,605,821,335.55/1,778,410.99 - Step 6: Final answer
x = 961,310.87
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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.