Finding the Fourth Proportional to 4,326,123.16, 5,968,246.76 and 2,490,142.12
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Solution
The fourth proportional to 4,326,123.16, 5,968,246.76 and 2,490,142.12 is: 3,435,358.19
Step by Step Solution
- Step 1: Write the proportion equation
4,326,123.16 : 5,968,246.76 = 2,490,142.12 : x - Step 2: Convert to fraction form
4,326,123.16/5,968,246.76 = 2,490,142.12/x - Step 3: Cross multiply
4,326,123.16x = 5,968,246.76 × 2,490,142.12 - Step 4: Simplify right side
4,326,123.16x = 14,861,782,639,629.53 - Step 5: Solve for x
x = 14,861,782,639,629.53/4,326,123.16 - Step 6: Final answer
x = 3,435,358.19
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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.