Finding the Fourth Proportional to 5,435,756.71, 7,501,349.08 and 2,988,409.41
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Solution
The fourth proportional to 5,435,756.71, 7,501,349.08 and 2,988,409.41 is: 4,124,007.64
Step by Step Solution
- Step 1: Write the proportion equation
5,435,756.71 : 7,501,349.08 = 2,988,409.41 : x - Step 2: Convert to fraction form
5,435,756.71/7,501,349.08 = 2,988,409.41/x - Step 3: Cross multiply
5,435,756.71x = 7,501,349.08 × 2,988,409.41 - Step 4: Simplify right side
5,435,756.71x = 22,417,102,182,102.36 - Step 5: Solve for x
x = 22,417,102,182,102.36/5,435,756.71 - Step 6: Final answer
x = 4,124,007.64
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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.