Finding the Fourth Proportional to 1,981,746.69, 2,734,718.91 and 1,122,313.14
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Solution
The fourth proportional to 1,981,746.69, 2,734,718.91 and 1,122,313.14 is: 1,548,740.30
Step by Step Solution
- Step 1: Write the proportion equation
1,981,746.69 : 2,734,718.91 = 1,122,313.14 : x - Step 2: Convert to fraction form
1,981,746.69/2,734,718.91 = 1,122,313.14/x - Step 3: Cross multiply
1,981,746.69x = 2,734,718.91 × 1,122,313.14 - Step 4: Simplify right side
1,981,746.69x = 3,069,210,966,899.48 - Step 5: Solve for x
x = 3,069,210,966,899.48/1,981,746.69 - Step 6: Final answer
x = 1,548,740.30
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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.