Finding the Fourth Proportional to 5,448,313.41, 7,518,672.14 and 3,157,802.70
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Solution
The fourth proportional to 5,448,313.41, 7,518,672.14 and 3,157,802.70 is: 4,357,767.51
Step by Step Solution
- Step 1: Write the proportion equation
5,448,313.41 : 7,518,672.14 = 3,157,802.70 : x - Step 2: Convert to fraction form
5,448,313.41/7,518,672.14 = 3,157,802.70/x - Step 3: Cross multiply
5,448,313.41x = 7,518,672.14 × 3,157,802.70 - Step 4: Simplify right side
5,448,313.41x = 23,742,483,184,106.78 - Step 5: Solve for x
x = 23,742,483,184,106.78/5,448,313.41 - Step 6: Final answer
x = 4,357,767.51
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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.