Finding the Fourth Proportional to 5,174,208.07, 7,762,448.19 and 1,530,652.70
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Solution
The fourth proportional to 5,174,208.07, 7,762,448.19 and 1,530,652.70 is: 2,296,315.13
Step by Step Solution
- Step 1: Write the proportion equation
5,174,208.07 : 7,762,448.19 = 1,530,652.70 : x - Step 2: Convert to fraction form
5,174,208.07/7,762,448.19 = 1,530,652.70/x - Step 3: Cross multiply
5,174,208.07x = 7,762,448.19 × 1,530,652.70 - Step 4: Simplify right side
5,174,208.07x = 11,881,612,280,633.61 - Step 5: Solve for x
x = 11,881,612,280,633.61/5,174,208.07 - Step 6: Final answer
x = 2,296,315.13
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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.