Finding the Fourth Proportional to 2,249,135.13, 3,103,883.91 and 1,230,539.88
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Solution
The fourth proportional to 2,249,135.13, 3,103,883.91 and 1,230,539.88 is: 1,698,187.40
Step by Step Solution
- Step 1: Write the proportion equation
2,249,135.13 : 3,103,883.91 = 1,230,539.88 : x - Step 2: Convert to fraction form
2,249,135.13/3,103,883.91 = 1,230,539.88/x - Step 3: Cross multiply
2,249,135.13x = 3,103,883.91 × 1,230,539.88 - Step 4: Simplify right side
2,249,135.13x = 3,819,452,934,145.33 - Step 5: Solve for x
x = 3,819,452,934,145.33/2,249,135.13 - Step 6: Final answer
x = 1,698,187.40
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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.