Finding the Fourth Proportional to 5,057,722.42, 6,980,296.14 and 3,316,856.74
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Solution
The fourth proportional to 5,057,722.42, 6,980,296.14 and 3,316,856.74 is: 4,577,681.49
Step by Step Solution
- Step 1: Write the proportion equation
5,057,722.42 : 6,980,296.14 = 3,316,856.74 : x - Step 2: Convert to fraction form
5,057,722.42/6,980,296.14 = 3,316,856.74/x - Step 3: Cross multiply
5,057,722.42x = 6,980,296.14 × 3,316,856.74 - Step 4: Simplify right side
5,057,722.42x = 23,152,642,299,154.98 - Step 5: Solve for x
x = 23,152,642,299,154.98/5,057,722.42 - Step 6: Final answer
x = 4,577,681.49
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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.