Finding the Fourth Proportional to 1,685,106.72, 2,528,291.12 and 874,985.44
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Solution
The fourth proportional to 1,685,106.72, 2,528,291.12 and 874,985.44 is: 1,312,805.83
Step by Step Solution
- Step 1: Write the proportion equation
1,685,106.72 : 2,528,291.12 = 874,985.44 : x - Step 2: Convert to fraction form
1,685,106.72/2,528,291.12 = 874,985.44/x - Step 3: Cross multiply
1,685,106.72x = 2,528,291.12 × 874,985.44 - Step 4: Simplify right side
1,685,106.72x = 2,212,217,918,081.29 - Step 5: Solve for x
x = 2,212,217,918,081.29/1,685,106.72 - Step 6: Final answer
x = 1,312,805.83
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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.