Finding the Fourth Proportional to 1,943,430.56, 2,681,927.16 and 1,083,990.14
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Solution
The fourth proportional to 1,943,430.56, 2,681,927.16 and 1,083,990.14 is: 1,495,902.48
Step by Step Solution
- Step 1: Write the proportion equation
1,943,430.56 : 2,681,927.16 = 1,083,990.14 : x - Step 2: Convert to fraction form
1,943,430.56/2,681,927.16 = 1,083,990.14/x - Step 3: Cross multiply
1,943,430.56x = 2,681,927.16 × 1,083,990.14 - Step 4: Simplify right side
1,943,430.56x = 2,907,182,597,638.20 - Step 5: Solve for x
x = 2,907,182,597,638.20/1,943,430.56 - Step 6: Final answer
x = 1,495,902.48
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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.