Finding the Fourth Proportional to 5,724,121.16, 7,899,293.10 and 3,145,746.56
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Solution
The fourth proportional to 5,724,121.16, 7,899,293.10 and 3,145,746.56 is: 4,341,133.49
Step by Step Solution
- Step 1: Write the proportion equation
5,724,121.16 : 7,899,293.10 = 3,145,746.56 : x - Step 2: Convert to fraction form
5,724,121.16/7,899,293.10 = 3,145,746.56/x - Step 3: Cross multiply
5,724,121.16x = 7,899,293.10 × 3,145,746.56 - Step 4: Simplify right side
5,724,121.16x = 24,849,174,095,756.73 - Step 5: Solve for x
x = 24,849,174,095,756.73/5,724,121.16 - Step 6: Final answer
x = 4,341,133.49
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1.5x scale
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.