Finding the Fourth Proportional to 2,069,038.96, 2,854,845.76 and 1,209,432.96
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Solution
The fourth proportional to 2,069,038.96, 2,854,845.76 and 1,209,432.96 is: 1,668,767.30
Step by Step Solution
- Step 1: Write the proportion equation
2,069,038.96 : 2,854,845.76 = 1,209,432.96 : x - Step 2: Convert to fraction form
2,069,038.96/2,854,845.76 = 1,209,432.96/x - Step 3: Cross multiply
2,069,038.96x = 2,854,845.76 × 1,209,432.96 - Step 4: Simplify right side
2,069,038.96x = 3,452,744,557,860.25 - Step 5: Solve for x
x = 3,452,744,557,860.25/2,069,038.96 - Step 6: Final answer
x = 1,668,767.30
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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.