Finding the Fourth Proportional to 3,358,485.19, 4,634,710.89 and 1,908,182.53
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Solution
The fourth proportional to 3,358,485.19, 4,634,710.89 and 1,908,182.53 is: 2,633,292.65
Step by Step Solution
- Step 1: Write the proportion equation
3,358,485.19 : 4,634,710.89 = 1,908,182.53 : x - Step 2: Convert to fraction form
3,358,485.19/4,634,710.89 = 1,908,182.53/x - Step 3: Cross multiply
3,358,485.19x = 4,634,710.89 × 1,908,182.53 - Step 4: Simplify right side
3,358,485.19x = 8,843,874,351,898.75 - Step 5: Solve for x
x = 8,843,874,351,898.75/3,358,485.19 - Step 6: Final answer
x = 2,633,292.65
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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.