Finding the Fourth Proportional to 5,448,340.53, 7,518,709.58 and 3,157,829.82
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Solution
The fourth proportional to 5,448,340.53, 7,518,709.58 and 3,157,829.82 is: 4,357,804.95
Step by Step Solution
- Step 1: Write the proportion equation
5,448,340.53 : 7,518,709.58 = 3,157,829.82 : x - Step 2: Convert to fraction form
5,448,340.53/7,518,709.58 = 3,157,829.82/x - Step 3: Cross multiply
5,448,340.53x = 7,518,709.58 × 3,157,829.82 - Step 4: Simplify right side
5,448,340.53x = 23,742,805,303,854.53 - Step 5: Solve for x
x = 23,742,805,303,854.53/5,448,340.53 - Step 6: Final answer
x = 4,357,804.95
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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.