Finding the Fourth Proportional to 1,630,883.08, 2,250,674.58 and 905,742.28
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Solution
The fourth proportional to 1,630,883.08, 2,250,674.58 and 905,742.28 is: 1,249,955.41
Step by Step Solution
- Step 1: Write the proportion equation
1,630,883.08 : 2,250,674.58 = 905,742.28 : x - Step 2: Convert to fraction form
1,630,883.08/2,250,674.58 = 905,742.28/x - Step 3: Cross multiply
1,630,883.08x = 2,250,674.58 × 905,742.28 - Step 4: Simplify right side
1,630,883.08x = 2,038,531,125,627.24 - Step 5: Solve for x
x = 2,038,531,125,627.24/1,630,883.08 - Step 6: Final answer
x = 1,249,955.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.