Finding the Fourth Proportional to 2,546,211.28, 3,513,701.40 and 1,400,291.60
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Solution
The fourth proportional to 2,546,211.28, 3,513,701.40 and 1,400,291.60 is: 1,932,363.82
Step by Step Solution
- Step 1: Write the proportion equation
2,546,211.28 : 3,513,701.40 = 1,400,291.60 : x - Step 2: Convert to fraction form
2,546,211.28/3,513,701.40 = 1,400,291.60/x - Step 3: Cross multiply
2,546,211.28x = 3,513,701.40 × 1,400,291.60 - Step 4: Simplify right side
2,546,211.28x = 4,920,206,555,328.24 - Step 5: Solve for x
x = 4,920,206,555,328.24/2,546,211.28 - Step 6: Final answer
x = 1,932,363.82
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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.