Finding the Fourth Proportional to 1,943,432.02, 2,681,929.23 and 1,083,991.62
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Solution
The fourth proportional to 1,943,432.02, 2,681,929.23 and 1,083,991.62 is: 1,495,904.55
Step by Step Solution
- Step 1: Write the proportion equation
1,943,432.02 : 2,681,929.23 = 1,083,991.62 : x - Step 2: Convert to fraction form
1,943,432.02/2,681,929.23 = 1,083,991.62/x - Step 3: Cross multiply
1,943,432.02x = 2,681,929.23 × 1,083,991.62 - Step 4: Simplify right side
1,943,432.02x = 2,907,188,810,753.05 - Step 5: Solve for x
x = 2,907,188,810,753.05/1,943,432.02 - Step 6: Final answer
x = 1,495,904.55
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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.