Finding the Fourth Proportional to 2,020,584.80, 2,788,885.68 and 1,161,644.06
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Solution
The fourth proportional to 2,020,584.80, 2,788,885.68 and 1,161,644.06 is: 1,603,343.98
Step by Step Solution
- Step 1: Write the proportion equation
2,020,584.80 : 2,788,885.68 = 1,161,644.06 : x - Step 2: Convert to fraction form
2,020,584.80/2,788,885.68 = 1,161,644.06/x - Step 3: Cross multiply
2,020,584.80x = 2,788,885.68 × 1,161,644.06 - Step 4: Simplify right side
2,020,584.80x = 3,239,692,484,191.06 - Step 5: Solve for x
x = 3,239,692,484,191.06/2,020,584.80 - Step 6: Final answer
x = 1,603,343.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.