Finding the Fourth Proportional to 5,367,565.76, 7,407,258.36 and 2,920,176.08
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Solution
The fourth proportional to 5,367,565.76, 7,407,258.36 and 2,920,176.08 is: 4,029,852.57
Step by Step Solution
- Step 1: Write the proportion equation
5,367,565.76 : 7,407,258.36 = 2,920,176.08 : x - Step 2: Convert to fraction form
5,367,565.76/7,407,258.36 = 2,920,176.08/x - Step 3: Cross multiply
5,367,565.76x = 7,407,258.36 × 2,920,176.08 - Step 4: Simplify right side
5,367,565.76x = 21,630,498,681,252.03 - Step 5: Solve for x
x = 21,630,498,681,252.03/5,367,565.76 - Step 6: Final answer
x = 4,029,852.57
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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.