Finding the Fourth Proportional to 1,585,289.74, 2,174,248.62 and 1,520,187.64
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Solution
The fourth proportional to 1,585,289.74, 2,174,248.62 and 1,520,187.64 is: 2,084,960.11
Step by Step Solution
- Step 1: Write the proportion equation
1,585,289.74 : 2,174,248.62 = 1,520,187.64 : x - Step 2: Convert to fraction form
1,585,289.74/2,174,248.62 = 1,520,187.64/x - Step 3: Cross multiply
1,585,289.74x = 2,174,248.62 × 1,520,187.64 - Step 4: Simplify right side
1,585,289.74x = 3,305,265,878,411.06 - Step 5: Solve for x
x = 3,305,265,878,411.06/1,585,289.74 - Step 6: Final answer
x = 2,084,960.11
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.