Finding the Fourth Proportional to 6,139,709.06, 8,476,120.32 and 3,692,866.28
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Solution
The fourth proportional to 6,139,709.06, 8,476,120.32 and 3,692,866.28 is: 5,098,153.45
Step by Step Solution
- Step 1: Write the proportion equation
6,139,709.06 : 8,476,120.32 = 3,692,866.28 : x - Step 2: Convert to fraction form
6,139,709.06/8,476,120.32 = 3,692,866.28/x - Step 3: Cross multiply
6,139,709.06x = 8,476,120.32 × 3,692,866.28 - Step 4: Simplify right side
6,139,709.06x = 31,301,178,914,950.81 - Step 5: Solve for x
x = 31,301,178,914,950.81/6,139,709.06 - Step 6: Final answer
x = 5,098,153.45
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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.