Finding the Fourth Proportional to 1,630,554.20, 2,250,089.76 and 905,448.08
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Solution
The fourth proportional to 1,630,554.20, 2,250,089.76 and 905,448.08 is: 1,249,476.68
Step by Step Solution
- Step 1: Write the proportion equation
1,630,554.20 : 2,250,089.76 = 905,448.08 : x - Step 2: Convert to fraction form
1,630,554.20/2,250,089.76 = 905,448.08/x - Step 3: Cross multiply
1,630,554.20x = 2,250,089.76 × 905,448.08 - Step 4: Simplify right side
1,630,554.20x = 2,037,339,453,019.66 - Step 5: Solve for x
x = 2,037,339,453,019.66/1,630,554.20 - Step 6: Final answer
x = 1,249,476.68
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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.