Finding the Fourth Proportional to 1,790,718.84, 2,473,411.14 and 1,299,905.01
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Solution
The fourth proportional to 1,790,718.84, 2,473,411.14 and 1,299,905.01 is: 1,795,479.82
Step by Step Solution
- Step 1: Write the proportion equation
1,790,718.84 : 2,473,411.14 = 1,299,905.01 : x - Step 2: Convert to fraction form
1,790,718.84/2,473,411.14 = 1,299,905.01/x - Step 3: Cross multiply
1,790,718.84x = 2,473,411.14 × 1,299,905.01 - Step 4: Simplify right side
1,790,718.84x = 3,215,199,532,675.81 - Step 5: Solve for x
x = 3,215,199,532,675.81/1,790,718.84 - Step 6: Final answer
x = 1,795,479.82
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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.