Finding the Fourth Proportional to 1,888,220.07, 2,834,799.66 and 1,121,118.03
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Solution
The fourth proportional to 1,888,220.07, 2,834,799.66 and 1,121,118.03 is: 1,683,143.33
Step by Step Solution
- Step 1: Write the proportion equation
1,888,220.07 : 2,834,799.66 = 1,121,118.03 : x - Step 2: Convert to fraction form
1,888,220.07/2,834,799.66 = 1,121,118.03/x - Step 3: Cross multiply
1,888,220.07x = 2,834,799.66 × 1,121,118.03 - Step 4: Simplify right side
1,888,220.07x = 3,178,145,010,263.87 - Step 5: Solve for x
x = 3,178,145,010,263.87/1,888,220.07 - Step 6: Final answer
x = 1,683,143.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.