Finding the Fourth Proportional to 2,860,356.71, 4,288,291.88 and 1,343,258.84
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Solution
The fourth proportional to 2,860,356.71, 4,288,291.88 and 1,343,258.84 is: 2,013,834.83
Step by Step Solution
- Step 1: Write the proportion equation
2,860,356.71 : 4,288,291.88 = 1,343,258.84 : x - Step 2: Convert to fraction form
2,860,356.71/4,288,291.88 = 1,343,258.84/x - Step 3: Cross multiply
2,860,356.71x = 4,288,291.88 × 1,343,258.84 - Step 4: Simplify right side
2,860,356.71x = 5,760,285,980,314.66 - Step 5: Solve for x
x = 5,760,285,980,314.66/2,860,356.71 - Step 6: Final answer
x = 2,013,834.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.