Finding the Fourth Proportional to 1,771,645.40, 2,650,469.70 and 1,537,587.80
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Solution
The fourth proportional to 1,771,645.40, 2,650,469.70 and 1,537,587.80 is: 2,300,307.88
Step by Step Solution
- Step 1: Write the proportion equation
1,771,645.40 : 2,650,469.70 = 1,537,587.80 : x - Step 2: Convert to fraction form
1,771,645.40/2,650,469.70 = 1,537,587.80/x - Step 3: Cross multiply
1,771,645.40x = 2,650,469.70 × 1,537,587.80 - Step 4: Simplify right side
1,771,645.40x = 4,075,329,874,989.66 - Step 5: Solve for x
x = 4,075,329,874,989.66/1,771,645.40 - Step 6: Final answer
x = 2,300,307.88
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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.