Finding the Fourth Proportional to 3,176,921.89, 4,763,460.07 and 1,281,448.99
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Solution
The fourth proportional to 3,176,921.89, 4,763,460.07 and 1,281,448.99 is: 1,921,397.92
Step by Step Solution
- Step 1: Write the proportion equation
3,176,921.89 : 4,763,460.07 = 1,281,448.99 : x - Step 2: Convert to fraction form
3,176,921.89/4,763,460.07 = 1,281,448.99/x - Step 3: Cross multiply
3,176,921.89x = 4,763,460.07 × 1,281,448.99 - Step 4: Simplify right side
3,176,921.89x = 6,104,131,095,606.83 - Step 5: Solve for x
x = 6,104,131,095,606.83/3,176,921.89 - Step 6: Final answer
x = 1,921,397.92
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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.