Finding the Fourth Proportional to 1,630,709.07, 2,446,258.14 and 788,655.75
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Solution
The fourth proportional to 1,630,709.07, 2,446,258.14 and 788,655.75 is: 1,183,077.71
Step by Step Solution
- Step 1: Write the proportion equation
1,630,709.07 : 2,446,258.14 = 788,655.75 : x - Step 2: Convert to fraction form
1,630,709.07/2,446,258.14 = 788,655.75/x - Step 3: Cross multiply
1,630,709.07x = 2,446,258.14 × 788,655.75 - Step 4: Simplify right side
1,630,709.07x = 1,929,255,548,095.31 - Step 5: Solve for x
x = 1,929,255,548,095.31/1,630,709.07 - Step 6: Final answer
x = 1,183,077.71
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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.