Finding the Fourth Proportional to 6,778,360.40, 9,354,352.84 and 3,722,574.65
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Solution
The fourth proportional to 6,778,360.40, 9,354,352.84 and 3,722,574.65 is: 5,137,271.36
Step by Step Solution
- Step 1: Write the proportion equation
6,778,360.40 : 9,354,352.84 = 3,722,574.65 : x - Step 2: Convert to fraction form
6,778,360.40/9,354,352.84 = 3,722,574.65/x - Step 3: Cross multiply
6,778,360.40x = 9,354,352.84 × 3,722,574.65 - Step 4: Simplify right side
6,778,360.40x = 34,822,276,693,261.31 - Step 5: Solve for x
x = 34,822,276,693,261.31/6,778,360.40 - Step 6: Final answer
x = 5,137,271.36
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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.