Finding the Fourth Proportional to 1,628,958.36, 2,430,210.60 and 1,540,778.52
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Solution
The fourth proportional to 1,628,958.36, 2,430,210.60 and 1,540,778.52 is: 2,298,656.85
Step by Step Solution
- Step 1: Write the proportion equation
1,628,958.36 : 2,430,210.60 = 1,540,778.52 : x - Step 2: Convert to fraction form
1,628,958.36/2,430,210.60 = 1,540,778.52/x - Step 3: Cross multiply
1,628,958.36x = 2,430,210.60 × 1,540,778.52 - Step 4: Simplify right side
1,628,958.36x = 3,744,416,291,556.31 - Step 5: Solve for x
x = 3,744,416,291,556.31/1,628,958.36 - Step 6: Final answer
x = 2,298,656.85
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.