Finding the Fourth Proportional to 1,999,395.22, 2,999,178.18 and 785,234.98
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Solution
The fourth proportional to 1,999,395.22, 2,999,178.18 and 785,234.98 is: 1,177,885.98
Step by Step Solution
- Step 1: Write the proportion equation
1,999,395.22 : 2,999,178.18 = 785,234.98 : x - Step 2: Convert to fraction form
1,999,395.22/2,999,178.18 = 785,234.98/x - Step 3: Cross multiply
1,999,395.22x = 2,999,178.18 × 785,234.98 - Step 4: Simplify right side
1,999,395.22x = 2,355,059,599,266.67 - Step 5: Solve for x
x = 2,355,059,599,266.67/1,999,395.22 - Step 6: Final answer
x = 1,177,885.98
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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.