Finding the Fourth Proportional to 5,235,573.84, 7,853,457.96 and 1,641,260.40
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Solution
The fourth proportional to 5,235,573.84, 7,853,457.96 and 1,641,260.40 is: 2,461,921.07
Step by Step Solution
- Step 1: Write the proportion equation
5,235,573.84 : 7,853,457.96 = 1,641,260.40 : x - Step 2: Convert to fraction form
5,235,573.84/7,853,457.96 = 1,641,260.40/x - Step 3: Cross multiply
5,235,573.84x = 7,853,457.96 × 1,641,260.40 - Step 4: Simplify right side
5,235,573.84x = 12,889,569,552,812.78 - Step 5: Solve for x
x = 12,889,569,552,812.78/5,235,573.84 - Step 6: Final answer
x = 2,461,921.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.