Finding the Fourth Proportional to 2,963,828.82, 4,090,088.07 and 1,605,701.82
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Solution
The fourth proportional to 2,963,828.82, 4,090,088.07 and 1,605,701.82 is: 2,215,870.84
Step by Step Solution
- Step 1: Write the proportion equation
2,963,828.82 : 4,090,088.07 = 1,605,701.82 : x - Step 2: Convert to fraction form
2,963,828.82/4,090,088.07 = 1,605,701.82/x - Step 3: Cross multiply
2,963,828.82x = 4,090,088.07 × 1,605,701.82 - Step 4: Simplify right side
2,963,828.82x = 6,567,461,857,959.29 - Step 5: Solve for x
x = 6,567,461,857,959.29/2,963,828.82 - Step 6: Final answer
x = 2,215,870.84
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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.