Finding the Fourth Proportional to 6,424,056.78, 9,637,539.57 and 2,164,108.74
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Solution
The fourth proportional to 6,424,056.78, 9,637,539.57 and 2,164,108.74 is: 3,246,653.06
Step by Step Solution
- Step 1: Write the proportion equation
6,424,056.78 : 9,637,539.57 = 2,164,108.74 : x - Step 2: Convert to fraction form
6,424,056.78/9,637,539.57 = 2,164,108.74/x - Step 3: Cross multiply
6,424,056.78x = 9,637,539.57 × 2,164,108.74 - Step 4: Simplify right side
6,424,056.78x = 20,856,683,615,532.84 - Step 5: Solve for x
x = 20,856,683,615,532.84/6,424,056.78 - Step 6: Final answer
x = 3,246,653.06
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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.