Finding the Fourth Proportional to 7,381,285.13, 11,072,505.83 and 1,989,853.04
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Solution
The fourth proportional to 7,381,285.13, 11,072,505.83 and 1,989,853.04 is: 2,984,935.41
Step by Step Solution
- Step 1: Write the proportion equation
7,381,285.13 : 11,072,505.83 = 1,989,853.04 : x - Step 2: Convert to fraction form
7,381,285.13/11,072,505.83 = 1,989,853.04/x - Step 3: Cross multiply
7,381,285.13x = 11,072,505.83 × 1,989,853.04 - Step 4: Simplify right side
7,381,285.13x = 22,032,659,386,243.22 - Step 5: Solve for x
x = 22,032,659,386,243.22/7,381,285.13 - Step 6: Final answer
x = 2,984,935.41
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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.