Finding the Fourth Proportional to 2,591,211.74, 3,575,862.11 and 1,429,730.26
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Solution
The fourth proportional to 2,591,211.74, 3,575,862.11 and 1,429,730.26 is: 1,973,022.19
Step by Step Solution
- Step 1: Write the proportion equation
2,591,211.74 : 3,575,862.11 = 1,429,730.26 : x - Step 2: Convert to fraction form
2,591,211.74/3,575,862.11 = 1,429,730.26/x - Step 3: Cross multiply
2,591,211.74x = 3,575,862.11 × 1,429,730.26 - Step 4: Simplify right side
2,591,211.74x = 5,112,518,258,889.12 - Step 5: Solve for x
x = 5,112,518,258,889.12/2,591,211.74 - Step 6: Final answer
x = 1,973,022.19
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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.