Finding the Fourth Proportional to 4,704,237.81, 6,493,829.94 and 3,178,411.65
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Solution
The fourth proportional to 4,704,237.81, 6,493,829.94 and 3,178,411.65 is: 4,387,547.05
Step by Step Solution
- Step 1: Write the proportion equation
4,704,237.81 : 6,493,829.94 = 3,178,411.65 : x - Step 2: Convert to fraction form
4,704,237.81/6,493,829.94 = 3,178,411.65/x - Step 3: Cross multiply
4,704,237.81x = 6,493,829.94 × 3,178,411.65 - Step 4: Simplify right side
4,704,237.81x = 20,640,064,734,414.80 - Step 5: Solve for x
x = 20,640,064,734,414.80/4,704,237.81 - Step 6: Final answer
x = 4,387,547.05
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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.