Finding the Fourth Proportional to 1,774,494.65, 2,661,740.70 and 426,656.79
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Solution
The fourth proportional to 1,774,494.65, 2,661,740.70 and 426,656.79 is: 639,984.88
Step by Step Solution
- Step 1: Write the proportion equation
1,774,494.65 : 2,661,740.70 = 426,656.79 : x - Step 2: Convert to fraction form
1,774,494.65/2,661,740.70 = 426,656.79/x - Step 3: Cross multiply
1,774,494.65x = 2,661,740.70 × 426,656.79 - Step 4: Simplify right side
1,774,494.65x = 1,135,649,742,874.35 - Step 5: Solve for x
x = 1,135,649,742,874.35/1,774,494.65 - Step 6: Final answer
x = 639,984.88
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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.