Finding the Fourth Proportional to 1,542,204.65, 2,128,308.92 and 853,876.49
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Solution
The fourth proportional to 1,542,204.65, 2,128,308.92 and 853,876.49 is: 1,178,386.37
Step by Step Solution
- Step 1: Write the proportion equation
1,542,204.65 : 2,128,308.92 = 853,876.49 : x - Step 2: Convert to fraction form
1,542,204.65/2,128,308.92 = 853,876.49/x - Step 3: Cross multiply
1,542,204.65x = 2,128,308.92 × 853,876.49 - Step 4: Simplify right side
1,542,204.65x = 1,817,312,935,334.36 - Step 5: Solve for x
x = 1,817,312,935,334.36/1,542,204.65 - Step 6: Final answer
x = 1,178,386.37
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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.