Finding the Fourth Proportional to 6,178,041.94, 9,266,963.64 and 1,918,214.32
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Solution
The fourth proportional to 6,178,041.94, 9,266,963.64 and 1,918,214.32 is: 2,877,290.66
Step by Step Solution
- Step 1: Write the proportion equation
6,178,041.94 : 9,266,963.64 = 1,918,214.32 : x - Step 2: Convert to fraction form
6,178,041.94/9,266,963.64 = 1,918,214.32/x - Step 3: Cross multiply
6,178,041.94x = 9,266,963.64 × 1,918,214.32 - Step 4: Simplify right side
6,178,041.94x = 17,776,022,357,167.33 - Step 5: Solve for x
x = 17,776,022,357,167.33/6,178,041.94 - Step 6: Final answer
x = 2,877,290.66
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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.