Finding the Fourth Proportional to 4,098,987.20, 6,148,480.80 and 1,258,730.30
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Solution
The fourth proportional to 4,098,987.20, 6,148,480.80 and 1,258,730.30 is: 1,888,095.45
Step by Step Solution
- Step 1: Write the proportion equation
4,098,987.20 : 6,148,480.80 = 1,258,730.30 : x - Step 2: Convert to fraction form
4,098,987.20/6,148,480.80 = 1,258,730.30/x - Step 3: Cross multiply
4,098,987.20x = 6,148,480.80 × 1,258,730.30 - Step 4: Simplify right side
4,098,987.20x = 7,739,279,081,928.24 - Step 5: Solve for x
x = 7,739,279,081,928.24/4,098,987.20 - Step 6: Final answer
x = 1,888,095.45
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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.