Finding the Fourth Proportional to 2,374,809.80, 3,559,881.90 and 2,122,867.40
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Solution
The fourth proportional to 2,374,809.80, 3,559,881.90 and 2,122,867.40 is: 3,182,215.79
Step by Step Solution
- Step 1: Write the proportion equation
2,374,809.80 : 3,559,881.90 = 2,122,867.40 : x - Step 2: Convert to fraction form
2,374,809.80/3,559,881.90 = 2,122,867.40/x - Step 3: Cross multiply
2,374,809.80x = 3,559,881.90 × 2,122,867.40 - Step 4: Simplify right side
2,374,809.80x = 7,557,157,233,360.06 - Step 5: Solve for x
x = 7,557,157,233,360.06/2,374,809.80 - Step 6: Final answer
x = 3,182,215.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.