Finding the Fourth Proportional to 2,256,924.08, 3,114,554.86 and 1,290,075.13
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Solution
The fourth proportional to 2,256,924.08, 3,114,554.86 and 1,290,075.13 is: 1,780,303.46
Step by Step Solution
- Step 1: Write the proportion equation
2,256,924.08 : 3,114,554.86 = 1,290,075.13 : x - Step 2: Convert to fraction form
2,256,924.08/3,114,554.86 = 1,290,075.13/x - Step 3: Cross multiply
2,256,924.08x = 3,114,554.86 × 1,290,075.13 - Step 4: Simplify right side
2,256,924.08x = 4,018,009,753,893.05 - Step 5: Solve for x
x = 4,018,009,753,893.05/2,256,924.08 - Step 6: Final answer
x = 1,780,303.46
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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.