Finding the Fourth Proportional to 2,724,159.21, 3,759,339.51 and 1,578,903.84
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Solution
The fourth proportional to 2,724,159.21, 3,759,339.51 and 1,578,903.84 is: 2,178,887.18
Step by Step Solution
- Step 1: Write the proportion equation
2,724,159.21 : 3,759,339.51 = 1,578,903.84 : x - Step 2: Convert to fraction form
2,724,159.21/3,759,339.51 = 1,578,903.84/x - Step 3: Cross multiply
2,724,159.21x = 3,759,339.51 × 1,578,903.84 - Step 4: Simplify right side
2,724,159.21x = 5,935,635,588,202.72 - Step 5: Solve for x
x = 5,935,635,588,202.72/2,724,159.21 - Step 6: Final answer
x = 2,178,887.18
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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.