Finding the Fourth Proportional to 2,113,851.89, 3,170,769.30 and 765,698.99
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Solution
The fourth proportional to 2,113,851.89, 3,170,769.30 and 765,698.99 is: 1,148,545.39
Step by Step Solution
- Step 1: Write the proportion equation
2,113,851.89 : 3,170,769.30 = 765,698.99 : x - Step 2: Convert to fraction form
2,113,851.89/3,170,769.30 = 765,698.99/x - Step 3: Cross multiply
2,113,851.89x = 3,170,769.30 × 765,698.99 - Step 4: Simplify right side
2,113,851.89x = 2,427,854,850,533.01 - Step 5: Solve for x
x = 2,427,854,850,533.01/2,113,851.89 - Step 6: Final answer
x = 1,148,545.39
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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.