Finding the Fourth Proportional to 1,403,386.07, 2,105,338.81 and 444,082.82
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Solution
The fourth proportional to 1,403,386.07, 2,105,338.81 and 444,082.82 is: 666,206.41
Step by Step Solution
- Step 1: Write the proportion equation
1,403,386.07 : 2,105,338.81 = 444,082.82 : x - Step 2: Convert to fraction form
1,403,386.07/2,105,338.81 = 444,082.82/x - Step 3: Cross multiply
1,403,386.07x = 2,105,338.81 × 444,082.82 - Step 4: Simplify right side
1,403,386.07x = 934,944,795,800.24 - Step 5: Solve for x
x = 934,944,795,800.24/1,403,386.07 - Step 6: Final answer
x = 666,206.41
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1.5x scale
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.