Finding the Fourth Proportional to 3,044,756.68, 4,201,763.59 and 1,668,149.22
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Solution
The fourth proportional to 3,044,756.68, 4,201,763.59 and 1,668,149.22 is: 2,302,045.58
Step by Step Solution
- Step 1: Write the proportion equation
3,044,756.68 : 4,201,763.59 = 1,668,149.22 : x - Step 2: Convert to fraction form
3,044,756.68/4,201,763.59 = 1,668,149.22/x - Step 3: Cross multiply
3,044,756.68x = 4,201,763.59 × 1,668,149.22 - Step 4: Simplify right side
3,044,756.68x = 7,009,168,655,282.90 - Step 5: Solve for x
x = 7,009,168,655,282.90/3,044,756.68 - Step 6: Final answer
x = 2,302,045.58
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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.