Finding the Fourth Proportional to 5,209,497.40, 7,814,246.10 and 1,615,235.80
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Solution
The fourth proportional to 5,209,497.40, 7,814,246.10 and 1,615,235.80 is: 2,422,853.70
Step by Step Solution
- Step 1: Write the proportion equation
5,209,497.40 : 7,814,246.10 = 1,615,235.80 : x - Step 2: Convert to fraction form
5,209,497.40/7,814,246.10 = 1,615,235.80/x - Step 3: Cross multiply
5,209,497.40x = 7,814,246.10 × 1,615,235.80 - Step 4: Simplify right side
5,209,497.40x = 12,621,850,050,730.38 - Step 5: Solve for x
x = 12,621,850,050,730.38/5,209,497.40 - Step 6: Final answer
x = 2,422,853.70
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1.5x scale
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.