Finding the Fourth Proportional to 2,510,655.36, 3,464,865.36 and 1,408,190.28
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Solution
The fourth proportional to 2,510,655.36, 3,464,865.36 and 1,408,190.28 is: 1,943,392.87
Step by Step Solution
- Step 1: Write the proportion equation
2,510,655.36 : 3,464,865.36 = 1,408,190.28 : x - Step 2: Convert to fraction form
2,510,655.36/3,464,865.36 = 1,408,190.28/x - Step 3: Cross multiply
2,510,655.36x = 3,464,865.36 × 1,408,190.28 - Step 4: Simplify right side
2,510,655.36x = 4,879,189,721,460.70 - Step 5: Solve for x
x = 4,879,189,721,460.70/2,510,655.36 - Step 6: Final answer
x = 1,943,392.87
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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.