Finding the Fourth Proportional to 1,460,408.24, 2,015,291.40 and 815,700.08
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Solution
The fourth proportional to 1,460,408.24, 2,015,291.40 and 815,700.08 is: 1,125,625.91
Step by Step Solution
- Step 1: Write the proportion equation
1,460,408.24 : 2,015,291.40 = 815,700.08 : x - Step 2: Convert to fraction form
1,460,408.24/2,015,291.40 = 815,700.08/x - Step 3: Cross multiply
1,460,408.24x = 2,015,291.40 × 815,700.08 - Step 4: Simplify right side
1,460,408.24x = 1,643,873,356,203.31 - Step 5: Solve for x
x = 1,643,873,356,203.31/1,460,408.24 - Step 6: Final answer
x = 1,125,625.91
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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.