Finding the Fourth Proportional to 2,032,419.28, 2,804,536.40 and 1,173,256.32
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Solution
The fourth proportional to 2,032,419.28, 2,804,536.40 and 1,173,256.32 is: 1,618,976.99
Step by Step Solution
- Step 1: Write the proportion equation
2,032,419.28 : 2,804,536.40 = 1,173,256.32 : x - Step 2: Convert to fraction form
2,032,419.28/2,804,536.40 = 1,173,256.32/x - Step 3: Cross multiply
2,032,419.28x = 2,804,536.40 × 1,173,256.32 - Step 4: Simplify right side
2,032,419.28x = 3,290,440,055,970.05 - Step 5: Solve for x
x = 3,290,440,055,970.05/2,032,419.28 - Step 6: Final answer
x = 1,618,976.99
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1.5x scale
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.