Finding the Fourth Proportional to 1,630,676.13, 2,250,389.37 and 905,535.99
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Solution
The fourth proportional to 1,630,676.13, 2,250,389.37 and 905,535.99 is: 1,249,670.94
Step by Step Solution
- Step 1: Write the proportion equation
1,630,676.13 : 2,250,389.37 = 905,535.99 : x - Step 2: Convert to fraction form
1,630,676.13/2,250,389.37 = 905,535.99/x - Step 3: Cross multiply
1,630,676.13x = 2,250,389.37 × 905,535.99 - Step 4: Simplify right side
1,630,676.13x = 2,037,808,566,048.43 - Step 5: Solve for x
x = 2,037,808,566,048.43/1,630,676.13 - Step 6: Final answer
x = 1,249,670.94
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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.