Finding the Fourth Proportional to 1,551,209.68, 2,140,154.76 and 1,264,236.40
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Solution
The fourth proportional to 1,551,209.68, 2,140,154.76 and 1,264,236.40 is: 1,744,226.83
Step by Step Solution
- Step 1: Write the proportion equation
1,551,209.68 : 2,140,154.76 = 1,264,236.40 : x - Step 2: Convert to fraction form
1,551,209.68/2,140,154.76 = 1,264,236.40/x - Step 3: Cross multiply
1,551,209.68x = 2,140,154.76 × 1,264,236.40 - Step 4: Simplify right side
1,551,209.68x = 2,705,661,549,225.26 - Step 5: Solve for x
x = 2,705,661,549,225.26/1,551,209.68 - Step 6: Final answer
x = 1,744,226.83
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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.