Finding the Fourth Proportional to 2,487,287.97, 3,432,435.18 and 1,399,537.82
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Solution
The fourth proportional to 2,487,287.97, 3,432,435.18 and 1,399,537.82 is: 1,931,349.68
Step by Step Solution
- Step 1: Write the proportion equation
2,487,287.97 : 3,432,435.18 = 1,399,537.82 : x - Step 2: Convert to fraction form
2,487,287.97/3,432,435.18 = 1,399,537.82/x - Step 3: Cross multiply
2,487,287.97x = 3,432,435.18 × 1,399,537.82 - Step 4: Simplify right side
2,487,287.97x = 4,803,822,831,946.33 - Step 5: Solve for x
x = 4,803,822,831,946.33/2,487,287.97 - Step 6: Final answer
x = 1,931,349.68
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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.