Finding the Fourth Proportional to 6,764,165.28, 9,335,135.61 and 3,708,970.02
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Solution
The fourth proportional to 6,764,165.28, 9,335,135.61 and 3,708,970.02 is: 5,118,700.78
Step by Step Solution
- Step 1: Write the proportion equation
6,764,165.28 : 9,335,135.61 = 3,708,970.02 : x - Step 2: Convert to fraction form
6,764,165.28/9,335,135.61 = 3,708,970.02/x - Step 3: Cross multiply
6,764,165.28x = 9,335,135.61 × 3,708,970.02 - Step 4: Simplify right side
6,764,165.28x = 34,623,738,110,124.41 - Step 5: Solve for x
x = 34,623,738,110,124.41/6,764,165.28 - Step 6: Final answer
x = 5,118,700.78
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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.