Finding the Fourth Proportional to 6,330,471.74, 9,495,719.48 and 1,538,165.06
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Solution
The fourth proportional to 6,330,471.74, 9,495,719.48 and 1,538,165.06 is: 2,307,250.47
Step by Step Solution
- Step 1: Write the proportion equation
6,330,471.74 : 9,495,719.48 = 1,538,165.06 : x - Step 2: Convert to fraction form
6,330,471.74/9,495,719.48 = 1,538,165.06/x - Step 3: Cross multiply
6,330,471.74x = 9,495,719.48 × 1,538,165.06 - Step 4: Simplify right side
6,330,471.74x = 14,605,983,880,064.18 - Step 5: Solve for x
x = 14,605,983,880,064.18/6,330,471.74 - Step 6: Final answer
x = 2,307,250.47
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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.