Finding the Fourth Proportional to 7,249,954.98, 10,872,606.56 and 2,391,169.18
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Solution
The fourth proportional to 7,249,954.98, 10,872,606.56 and 2,391,169.18 is: 3,585,986.64
Step by Step Solution
- Step 1: Write the proportion equation
7,249,954.98 : 10,872,606.56 = 2,391,169.18 : x - Step 2: Convert to fraction form
7,249,954.98/10,872,606.56 = 2,391,169.18/x - Step 3: Cross multiply
7,249,954.98x = 10,872,606.56 × 2,391,169.18 - Step 4: Simplify right side
7,249,954.98x = 25,998,241,712,537.82 - Step 5: Solve for x
x = 25,998,241,712,537.82/7,249,954.98 - Step 6: Final answer
x = 3,585,986.64
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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.