Finding the Fourth Proportional to 3,879,964.25, 5,354,352.34 and 2,249,316.98
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Solution
The fourth proportional to 3,879,964.25, 5,354,352.34 and 2,249,316.98 is: 3,104,058.40
Step by Step Solution
- Step 1: Write the proportion equation
3,879,964.25 : 5,354,352.34 = 2,249,316.98 : x - Step 2: Convert to fraction form
3,879,964.25/5,354,352.34 = 2,249,316.98/x - Step 3: Cross multiply
3,879,964.25x = 5,354,352.34 × 2,249,316.98 - Step 4: Simplify right side
3,879,964.25x = 12,043,635,602,869.68 - Step 5: Solve for x
x = 12,043,635,602,869.68/3,879,964.25 - Step 6: Final answer
x = 3,104,058.40
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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.