Finding the Fourth Proportional to 2,115,295.02, 2,919,090.24 and 1,148,405.58
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Solution
The fourth proportional to 2,115,295.02, 2,919,090.24 and 1,148,405.58 is: 1,584,790.53
Step by Step Solution
- Step 1: Write the proportion equation
2,115,295.02 : 2,919,090.24 = 1,148,405.58 : x - Step 2: Convert to fraction form
2,115,295.02/2,919,090.24 = 1,148,405.58/x - Step 3: Cross multiply
2,115,295.02x = 2,919,090.24 × 1,148,405.58 - Step 4: Simplify right side
2,115,295.02x = 3,352,299,520,139.54 - Step 5: Solve for x
x = 3,352,299,520,139.54/2,115,295.02 - Step 6: Final answer
x = 1,584,790.53
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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.