Finding the Fourth Proportional to 5,728,430.76, 7,905,029.94 and 3,150,088.98
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Solution
The fourth proportional to 5,728,430.76, 7,905,029.94 and 3,150,088.98 is: 4,347,010.33
Step by Step Solution
- Step 1: Write the proportion equation
5,728,430.76 : 7,905,029.94 = 3,150,088.98 : x - Step 2: Convert to fraction form
5,728,430.76/7,905,029.94 = 3,150,088.98/x - Step 3: Cross multiply
5,728,430.76x = 7,905,029.94 × 3,150,088.98 - Step 4: Simplify right side
5,728,430.76x = 24,901,547,700,564.06 - Step 5: Solve for x
x = 24,901,547,700,564.06/5,728,430.76 - Step 6: Final answer
x = 4,347,010.33
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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.