Finding the Fourth Proportional to 3,831,587.76, 5,748,169.98 and 1,557,107.07
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Solution
The fourth proportional to 3,831,587.76, 5,748,169.98 and 1,557,107.07 is: 2,335,980.98
Step by Step Solution
- Step 1: Write the proportion equation
3,831,587.76 : 5,748,169.98 = 1,557,107.07 : x - Step 2: Convert to fraction form
3,831,587.76/5,748,169.98 = 1,557,107.07/x - Step 3: Cross multiply
3,831,587.76x = 5,748,169.98 × 1,557,107.07 - Step 4: Simplify right side
3,831,587.76x = 8,950,516,115,419.76 - Step 5: Solve for x
x = 8,950,516,115,419.76/3,831,587.76 - Step 6: Final answer
x = 2,335,980.98
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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.