Finding the Fourth Proportional to 1,671,882.84, 2,307,904.74 and 1,128,754.44
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Solution
The fourth proportional to 1,671,882.84, 2,307,904.74 and 1,128,754.44 is: 1,558,158.06
Step by Step Solution
- Step 1: Write the proportion equation
1,671,882.84 : 2,307,904.74 = 1,128,754.44 : x - Step 2: Convert to fraction form
1,671,882.84/2,307,904.74 = 1,128,754.44/x - Step 3: Cross multiply
1,671,882.84x = 2,307,904.74 × 1,128,754.44 - Step 4: Simplify right side
1,671,882.84x = 2,605,057,722,372.05 - Step 5: Solve for x
x = 2,605,057,722,372.05/1,671,882.84 - Step 6: Final answer
x = 1,558,158.06
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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.