Finding the Fourth Proportional to 1,930,794.84, 2,664,515.22 and 1,071,435.08
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Solution
The fourth proportional to 1,930,794.84, 2,664,515.22 and 1,071,435.08 is: 1,478,590.59
Step by Step Solution
- Step 1: Write the proportion equation
1,930,794.84 : 2,664,515.22 = 1,071,435.08 : x - Step 2: Convert to fraction form
1,930,794.84/2,664,515.22 = 1,071,435.08/x - Step 3: Cross multiply
1,930,794.84x = 2,664,515.22 × 1,071,435.08 - Step 4: Simplify right side
1,930,794.84x = 2,854,855,077,901.92 - Step 5: Solve for x
x = 2,854,855,077,901.92/1,930,794.84 - Step 6: Final answer
x = 1,478,590.59
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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.