Finding the Fourth Proportional to 1,483,390.74, 2,047,119.48 and 838,907.31
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Solution
The fourth proportional to 1,483,390.74, 2,047,119.48 and 838,907.31 is: 1,157,714.86
Step by Step Solution
- Step 1: Write the proportion equation
1,483,390.74 : 2,047,119.48 = 838,907.31 : x - Step 2: Convert to fraction form
1,483,390.74/2,047,119.48 = 838,907.31/x - Step 3: Cross multiply
1,483,390.74x = 2,047,119.48 × 838,907.31 - Step 4: Simplify right side
1,483,390.74x = 1,717,343,496,215.40 - Step 5: Solve for x
x = 1,717,343,496,215.40/1,483,390.74 - Step 6: Final answer
x = 1,157,714.86
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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.