Finding the Fourth Proportional to 5,574,536.80, 8,361,805.20 and 1,788,402.40
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Solution
The fourth proportional to 5,574,536.80, 8,361,805.20 and 1,788,402.40 is: 2,682,603.60
Step by Step Solution
- Step 1: Write the proportion equation
5,574,536.80 : 8,361,805.20 = 1,788,402.40 : x - Step 2: Convert to fraction form
5,574,536.80/8,361,805.20 = 1,788,402.40/x - Step 3: Cross multiply
5,574,536.80x = 8,361,805.20 × 1,788,402.40 - Step 4: Simplify right side
5,574,536.80x = 14,954,272,488,012.48 - Step 5: Solve for x
x = 14,954,272,488,012.48/5,574,536.80 - Step 6: Final answer
x = 2,682,603.60
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1.5x scale
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.