Finding the Fourth Proportional to 2,388,430.84, 3,295,885.20 and 1,315,342.84
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Solution
The fourth proportional to 2,388,430.84, 3,295,885.20 and 1,315,342.84 is: 1,815,090.86
Step by Step Solution
- Step 1: Write the proportion equation
2,388,430.84 : 3,295,885.20 = 1,315,342.84 : x - Step 2: Convert to fraction form
2,388,430.84/3,295,885.20 = 1,315,342.84/x - Step 3: Cross multiply
2,388,430.84x = 3,295,885.20 × 1,315,342.84 - Step 4: Simplify right side
2,388,430.84x = 4,335,218,999,281.97 - Step 5: Solve for x
x = 4,335,218,999,281.97/2,388,430.84 - Step 6: Final answer
x = 1,815,090.86
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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.