Finding the Fourth Proportional to 4,988,595.76, 7,483,160.79 and 1,576,622.74
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Solution
The fourth proportional to 4,988,595.76, 7,483,160.79 and 1,576,622.74 is: 2,365,018.54
Step by Step Solution
- Step 1: Write the proportion equation
4,988,595.76 : 7,483,160.79 = 1,576,622.74 : x - Step 2: Convert to fraction form
4,988,595.76/7,483,160.79 = 1,576,622.74/x - Step 3: Cross multiply
4,988,595.76x = 7,483,160.79 × 1,576,622.74 - Step 4: Simplify right side
4,988,595.76x = 11,798,121,451,036.97 - Step 5: Solve for x
x = 11,798,121,451,036.97/4,988,595.76 - Step 6: Final answer
x = 2,365,018.54
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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.