Finding the Fourth Proportional to 1,421,709.30, 2,132,563.68 and 569,164.68
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Solution
The fourth proportional to 1,421,709.30, 2,132,563.68 and 569,164.68 is: 853,746.91
Step by Step Solution
- Step 1: Write the proportion equation
1,421,709.30 : 2,132,563.68 = 569,164.68 : x - Step 2: Convert to fraction form
1,421,709.30/2,132,563.68 = 569,164.68/x - Step 3: Cross multiply
1,421,709.30x = 2,132,563.68 × 569,164.68 - Step 4: Simplify right side
1,421,709.30x = 1,213,779,924,506.82 - Step 5: Solve for x
x = 1,213,779,924,506.82/1,421,709.30 - Step 6: Final answer
x = 853,746.91
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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.