Finding the Fourth Proportional to 2,266,883.16, 3,128,303.34 and 1,248,289.80
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Solution
The fourth proportional to 2,266,883.16, 3,128,303.34 and 1,248,289.80 is: 1,722,642.45
Step by Step Solution
- Step 1: Write the proportion equation
2,266,883.16 : 3,128,303.34 = 1,248,289.80 : x - Step 2: Convert to fraction form
2,266,883.16/3,128,303.34 = 1,248,289.80/x - Step 3: Cross multiply
2,266,883.16x = 3,128,303.34 × 1,248,289.80 - Step 4: Simplify right side
2,266,883.16x = 3,905,029,150,627.93 - Step 5: Solve for x
x = 3,905,029,150,627.93/2,266,883.16 - Step 6: Final answer
x = 1,722,642.45
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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.