Finding the Fourth Proportional to 2,907,841.02, 4,361,415.21 and 778,089.66
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Solution
The fourth proportional to 2,907,841.02, 4,361,415.21 and 778,089.66 is: 1,167,041.82
Step by Step Solution
- Step 1: Write the proportion equation
2,907,841.02 : 4,361,415.21 = 778,089.66 : x - Step 2: Convert to fraction form
2,907,841.02/4,361,415.21 = 778,089.66/x - Step 3: Cross multiply
2,907,841.02x = 4,361,415.21 × 778,089.66 - Step 4: Simplify right side
2,907,841.02x = 3,393,572,077,867.73 - Step 5: Solve for x
x = 3,393,572,077,867.73/2,907,841.02 - Step 6: Final answer
x = 1,167,041.82
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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.