Finding the Fourth Proportional to 5,417,291.68, 7,475,946.24 and 2,970,136.96
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Solution
The fourth proportional to 5,417,291.68, 7,475,946.24 and 2,970,136.96 is: 4,098,834.91
Step by Step Solution
- Step 1: Write the proportion equation
5,417,291.68 : 7,475,946.24 = 2,970,136.96 : x - Step 2: Convert to fraction form
5,417,291.68/7,475,946.24 = 2,970,136.96/x - Step 3: Cross multiply
5,417,291.68x = 7,475,946.24 × 2,970,136.96 - Step 4: Simplify right side
5,417,291.68x = 22,204,584,238,397.03 - Step 5: Solve for x
x = 22,204,584,238,397.03/5,417,291.68 - Step 6: Final answer
x = 4,098,834.91
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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.