Finding the Fourth Proportional to 1,813,425.84, 2,501,254.08 and 1,571,278.32
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Solution
The fourth proportional to 1,813,425.84, 2,501,254.08 and 1,571,278.32 is: 2,167,260.56
Step by Step Solution
- Step 1: Write the proportion equation
1,813,425.84 : 2,501,254.08 = 1,571,278.32 : x - Step 2: Convert to fraction form
1,813,425.84/2,501,254.08 = 1,571,278.32/x - Step 3: Cross multiply
1,813,425.84x = 2,501,254.08 × 1,571,278.32 - Step 4: Simplify right side
1,813,425.84x = 3,930,166,308,715.55 - Step 5: Solve for x
x = 3,930,166,308,715.55/1,813,425.84 - Step 6: Final answer
x = 2,167,260.56
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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.