Finding the Fourth Proportional to 1,926,805.10, 2,890,207.65 and 579,175.70
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Solution
The fourth proportional to 1,926,805.10, 2,890,207.65 and 579,175.70 is: 868,763.55
Step by Step Solution
- Step 1: Write the proportion equation
1,926,805.10 : 2,890,207.65 = 579,175.70 : x - Step 2: Convert to fraction form
1,926,805.10/2,890,207.65 = 579,175.70/x - Step 3: Cross multiply
1,926,805.10x = 2,890,207.65 × 579,175.70 - Step 4: Simplify right side
1,926,805.10x = 1,673,938,038,834.10 - Step 5: Solve for x
x = 1,673,938,038,834.10/1,926,805.10 - Step 6: Final answer
x = 868,763.55
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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.