Finding the Fourth Proportional to 2,938,862.70, 4,408,294.05 and 1,259,246.70
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Solution
The fourth proportional to 2,938,862.70, 4,408,294.05 and 1,259,246.70 is: 1,888,870.05
Step by Step Solution
- Step 1: Write the proportion equation
2,938,862.70 : 4,408,294.05 = 1,259,246.70 : x - Step 2: Convert to fraction form
2,938,862.70/4,408,294.05 = 1,259,246.70/x - Step 3: Cross multiply
2,938,862.70x = 4,408,294.05 × 1,259,246.70 - Step 4: Simplify right side
2,938,862.70x = 5,551,129,735,092.14 - Step 5: Solve for x
x = 5,551,129,735,092.14/2,938,862.70 - Step 6: Final answer
x = 1,888,870.05
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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.