Finding the Fourth Proportional to 1,544,338.17, 2,130,465.78 and 971,694.09
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Solution
The fourth proportional to 1,544,338.17, 2,130,465.78 and 971,694.09 is: 1,340,484.26
Step by Step Solution
- Step 1: Write the proportion equation
1,544,338.17 : 2,130,465.78 = 971,694.09 : x - Step 2: Convert to fraction form
1,544,338.17/2,130,465.78 = 971,694.09/x - Step 3: Cross multiply
1,544,338.17x = 2,130,465.78 × 971,694.09 - Step 4: Simplify right side
1,544,338.17x = 2,070,161,007,373.24 - Step 5: Solve for x
x = 2,070,161,007,373.24/1,544,338.17 - Step 6: Final answer
x = 1,340,484.26
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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.