Finding the Fourth Proportional to 2,110,866.90, 2,912,988.87 and 1,144,020.66
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Solution
The fourth proportional to 2,110,866.90, 2,912,988.87 and 1,144,020.66 is: 1,578,744.47
Step by Step Solution
- Step 1: Write the proportion equation
2,110,866.90 : 2,912,988.87 = 1,144,020.66 : x - Step 2: Convert to fraction form
2,110,866.90/2,912,988.87 = 1,144,020.66/x - Step 3: Cross multiply
2,110,866.90x = 2,912,988.87 × 1,144,020.66 - Step 4: Simplify right side
2,110,866.90x = 3,332,519,449,630.05 - Step 5: Solve for x
x = 3,332,519,449,630.05/2,110,866.90 - Step 6: Final answer
x = 1,578,744.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.