Finding the Fourth Proportional to 1,508,710.99, 2,081,511.65 and 855,266.96
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Solution
The fourth proportional to 1,508,710.99, 2,081,511.65 and 855,266.96 is: 1,179,979.56
Step by Step Solution
- Step 1: Write the proportion equation
1,508,710.99 : 2,081,511.65 = 855,266.96 : x - Step 2: Convert to fraction form
1,508,710.99/2,081,511.65 = 855,266.96/x - Step 3: Cross multiply
1,508,710.99x = 2,081,511.65 × 855,266.96 - Step 4: Simplify right side
1,508,710.99x = 1,780,248,130,692.53 - Step 5: Solve for x
x = 1,780,248,130,692.53/1,508,710.99 - Step 6: Final answer
x = 1,179,979.56
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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.