Finding the Fourth Proportional to 2,896,071.84, 3,982,406.96 and 2,513,434.32
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Solution
The fourth proportional to 2,896,071.84, 3,982,406.96 and 2,513,434.32 is: 3,456,239.65
Step by Step Solution
- Step 1: Write the proportion equation
2,896,071.84 : 3,982,406.96 = 2,513,434.32 : x - Step 2: Convert to fraction form
2,896,071.84/3,982,406.96 = 2,513,434.32/x - Step 3: Cross multiply
2,896,071.84x = 3,982,406.96 × 2,513,434.32 - Step 4: Simplify right side
2,896,071.84x = 10,009,518,329,470.87 - Step 5: Solve for x
x = 10,009,518,329,470.87/2,896,071.84 - Step 6: Final answer
x = 3,456,239.65
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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.