Finding the Fourth Proportional to 5,291,756.09, 7,927,004.41 and 4,478,651.36
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Solution
The fourth proportional to 5,291,756.09, 7,927,004.41 and 4,478,651.36 is: 6,708,980.63
Step by Step Solution
- Step 1: Write the proportion equation
5,291,756.09 : 7,927,004.41 = 4,478,651.36 : x - Step 2: Convert to fraction form
5,291,756.09/7,927,004.41 = 4,478,651.36/x - Step 3: Cross multiply
5,291,756.09x = 7,927,004.41 × 4,478,651.36 - Step 4: Simplify right side
5,291,756.09x = 35,502,289,081,572.50 - Step 5: Solve for x
x = 35,502,289,081,572.50/5,291,756.09 - Step 6: Final answer
x = 6,708,980.63
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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.