Finding the Fourth Proportional to 1,990,007.04, 2,746,283.12 and 1,130,712.84
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Solution
The fourth proportional to 1,990,007.04, 2,746,283.12 and 1,130,712.84 is: 1,560,425.43
Step by Step Solution
- Step 1: Write the proportion equation
1,990,007.04 : 2,746,283.12 = 1,130,712.84 : x - Step 2: Convert to fraction form
1,990,007.04/2,746,283.12 = 1,130,712.84/x - Step 3: Cross multiply
1,990,007.04x = 2,746,283.12 × 1,130,712.84 - Step 4: Simplify right side
1,990,007.04x = 3,105,257,586,059.26 - Step 5: Solve for x
x = 3,105,257,586,059.26/1,990,007.04 - Step 6: Final answer
x = 1,560,425.43
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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.