Finding the Fourth Proportional to 4,975,246.78, 7,462,911.93 and 1,381,293.98
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Solution
The fourth proportional to 4,975,246.78, 7,462,911.93 and 1,381,293.98 is: 2,071,952.56
Step by Step Solution
- Step 1: Write the proportion equation
4,975,246.78 : 7,462,911.93 = 1,381,293.98 : x - Step 2: Convert to fraction form
4,975,246.78/7,462,911.93 = 1,381,293.98/x - Step 3: Cross multiply
4,975,246.78x = 7,462,911.93 × 1,381,293.98 - Step 4: Simplify right side
4,975,246.78x = 10,308,475,322,179.18 - Step 5: Solve for x
x = 10,308,475,322,179.18/4,975,246.78 - Step 6: Final answer
x = 2,071,952.56
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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.