Finding the Fourth Proportional to 4,742,203.80, 6,544,399.86 and 2,906,307.32
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Solution
The fourth proportional to 4,742,203.80, 6,544,399.86 and 2,906,307.32 is: 4,010,801.31
Step by Step Solution
- Step 1: Write the proportion equation
4,742,203.80 : 6,544,399.86 = 2,906,307.32 : x - Step 2: Convert to fraction form
4,742,203.80/6,544,399.86 = 2,906,307.32/x - Step 3: Cross multiply
4,742,203.80x = 6,544,399.86 × 2,906,307.32 - Step 4: Simplify right side
4,742,203.80x = 19,020,037,218,124.98 - Step 5: Solve for x
x = 19,020,037,218,124.98/4,742,203.80 - Step 6: Final answer
x = 4,010,801.31
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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.