Finding the Fourth Proportional to 1,742,881.14, 2,405,248.28 and 968,509.09
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Solution
The fourth proportional to 1,742,881.14, 2,405,248.28 and 968,509.09 is: 1,336,582.72
Step by Step Solution
- Step 1: Write the proportion equation
1,742,881.14 : 2,405,248.28 = 968,509.09 : x - Step 2: Convert to fraction form
1,742,881.14/2,405,248.28 = 968,509.09/x - Step 3: Cross multiply
1,742,881.14x = 2,405,248.28 × 968,509.09 - Step 4: Simplify right side
1,742,881.14x = 2,329,504,819,295.02 - Step 5: Solve for x
x = 2,329,504,819,295.02/1,742,881.14 - Step 6: Final answer
x = 1,336,582.72
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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.