Finding the Fourth Proportional to 1,899,130.36, 2,620,858.98 and 1,039,770.76
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Solution
The fourth proportional to 1,899,130.36, 2,620,858.98 and 1,039,770.76 is: 1,434,916.00
Step by Step Solution
- Step 1: Write the proportion equation
1,899,130.36 : 2,620,858.98 = 1,039,770.76 : x - Step 2: Convert to fraction form
1,899,130.36/2,620,858.98 = 1,039,770.76/x - Step 3: Cross multiply
1,899,130.36x = 2,620,858.98 × 1,039,770.76 - Step 4: Simplify right side
1,899,130.36x = 2,725,092,533,487.42 - Step 5: Solve for x
x = 2,725,092,533,487.42/1,899,130.36 - Step 6: Final answer
x = 1,434,916.00
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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.