Finding the Fourth Proportional to 4,912,565.14, 7,370,292.21 and 1,454,392.74
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Solution
The fourth proportional to 4,912,565.14, 7,370,292.21 and 1,454,392.74 is: 2,182,016.77
Step by Step Solution
- Step 1: Write the proportion equation
4,912,565.14 : 7,370,292.21 = 1,454,392.74 : x - Step 2: Convert to fraction form
4,912,565.14/7,370,292.21 = 1,454,392.74/x - Step 3: Cross multiply
4,912,565.14x = 7,370,292.21 × 1,454,392.74 - Step 4: Simplify right side
4,912,565.14x = 10,719,299,512,268.14 - Step 5: Solve for x
x = 10,719,299,512,268.14/4,912,565.14 - Step 6: Final answer
x = 2,182,016.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.