Finding the Fourth Proportional to 1,909,921.08, 2,864,636.88 and 630,211.80
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Solution
The fourth proportional to 1,909,921.08, 2,864,636.88 and 630,211.80 is: 945,236.94
Step by Step Solution
- Step 1: Write the proportion equation
1,909,921.08 : 2,864,636.88 = 630,211.80 : x - Step 2: Convert to fraction form
1,909,921.08/2,864,636.88 = 630,211.80/x - Step 3: Cross multiply
1,909,921.08x = 2,864,636.88 × 630,211.80 - Step 4: Simplify right side
1,909,921.08x = 1,805,327,964,491.18 - Step 5: Solve for x
x = 1,805,327,964,491.18/1,909,921.08 - Step 6: Final answer
x = 945,236.94
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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.