Finding the Fourth Proportional to 2,434,378.14, 3,358,309.95 and 1,575,215.82
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Solution
The fourth proportional to 2,434,378.14, 3,358,309.95 and 1,575,215.82 is: 2,173,065.42
Step by Step Solution
- Step 1: Write the proportion equation
2,434,378.14 : 3,358,309.95 = 1,575,215.82 : x - Step 2: Convert to fraction form
2,434,378.14/3,358,309.95 = 1,575,215.82/x - Step 3: Cross multiply
2,434,378.14x = 3,358,309.95 × 1,575,215.82 - Step 4: Simplify right side
2,434,378.14x = 5,290,062,961,703.41 - Step 5: Solve for x
x = 5,290,062,961,703.41/2,434,378.14 - Step 6: Final answer
x = 2,173,065.42
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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.