Finding the Fourth Proportional to 2,480,719.78, 3,720,415.47 and 683,176.06
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Solution
The fourth proportional to 2,480,719.78, 3,720,415.47 and 683,176.06 is: 1,024,581.17
Step by Step Solution
- Step 1: Write the proportion equation
2,480,719.78 : 3,720,415.47 = 683,176.06 : x - Step 2: Convert to fraction form
2,480,719.78/3,720,415.47 = 683,176.06/x - Step 3: Cross multiply
2,480,719.78x = 3,720,415.47 × 683,176.06 - Step 4: Simplify right side
2,480,719.78x = 2,541,698,782,357.65 - Step 5: Solve for x
x = 2,541,698,782,357.65/2,480,719.78 - Step 6: Final answer
x = 1,024,581.17
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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.