Finding the Fourth Proportional to 1,897,844.99, 2,619,023.02 and 1,038,408.66
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Solution
The fourth proportional to 1,897,844.99, 2,619,023.02 and 1,038,408.66 is: 1,433,002.28
Step by Step Solution
- Step 1: Write the proportion equation
1,897,844.99 : 2,619,023.02 = 1,038,408.66 : x - Step 2: Convert to fraction form
1,897,844.99/2,619,023.02 = 1,038,408.66/x - Step 3: Cross multiply
1,897,844.99x = 2,619,023.02 × 1,038,408.66 - Step 4: Simplify right side
1,897,844.99x = 2,719,616,182,111.33 - Step 5: Solve for x
x = 2,719,616,182,111.33/1,897,844.99 - Step 6: Final answer
x = 1,433,002.28
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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.