Finding the Fourth Proportional to 1,630,370.10, 2,445,555.15 and 999,639.30
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Solution
The fourth proportional to 1,630,370.10, 2,445,555.15 and 999,639.30 is: 1,499,458.95
Step by Step Solution
- Step 1: Write the proportion equation
1,630,370.10 : 2,445,555.15 = 999,639.30 : x - Step 2: Convert to fraction form
1,630,370.10/2,445,555.15 = 999,639.30/x - Step 3: Cross multiply
1,630,370.10x = 2,445,555.15 × 999,639.30 - Step 4: Simplify right side
1,630,370.10x = 2,444,673,038,257.40 - Step 5: Solve for x
x = 2,444,673,038,257.40/1,630,370.10 - Step 6: Final answer
x = 1,499,458.95
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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.