Finding the Fourth Proportional to 4,963,878.68, 6,850,842.05 and 2,788,587.30
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Solution
The fourth proportional to 4,963,878.68, 6,850,842.05 and 2,788,587.30 is: 3,848,637.80
Step by Step Solution
- Step 1: Write the proportion equation
4,963,878.68 : 6,850,842.05 = 2,788,587.30 : x - Step 2: Convert to fraction form
4,963,878.68/6,850,842.05 = 2,788,587.30/x - Step 3: Cross multiply
4,963,878.68x = 6,850,842.05 × 2,788,587.30 - Step 4: Simplify right side
4,963,878.68x = 19,104,171,120,993.03 - Step 5: Solve for x
x = 19,104,171,120,993.03/4,963,878.68 - Step 6: Final answer
x = 3,848,637.80
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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.