Finding the Fourth Proportional to 4,867,398.54, 6,717,594.06 and 2,830,208.04
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Solution
The fourth proportional to 4,867,398.54, 6,717,594.06 and 2,830,208.04 is: 3,906,026.71
Step by Step Solution
- Step 1: Write the proportion equation
4,867,398.54 : 6,717,594.06 = 2,830,208.04 : x - Step 2: Convert to fraction form
4,867,398.54/6,717,594.06 = 2,830,208.04/x - Step 3: Cross multiply
4,867,398.54x = 6,717,594.06 × 2,830,208.04 - Step 4: Simplify right side
4,867,398.54x = 19,012,188,718,068.24 - Step 5: Solve for x
x = 19,012,188,718,068.24/4,867,398.54 - Step 6: Final answer
x = 3,906,026.71
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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.