Finding the Fourth Proportional to 2,118,370.56, 2,923,328.64 and 1,576,927.68
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Solution
The fourth proportional to 2,118,370.56, 2,923,328.64 and 1,576,927.68 is: 2,176,143.28
Step by Step Solution
- Step 1: Write the proportion equation
2,118,370.56 : 2,923,328.64 = 1,576,927.68 : x - Step 2: Convert to fraction form
2,118,370.56/2,923,328.64 = 1,576,927.68/x - Step 3: Cross multiply
2,118,370.56x = 2,923,328.64 × 1,576,927.68 - Step 4: Simplify right side
2,118,370.56x = 4,609,877,850,152.76 - Step 5: Solve for x
x = 4,609,877,850,152.76/2,118,370.56 - Step 6: Final answer
x = 2,176,143.28
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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.