Finding the Fourth Proportional to 7,119,569.49, 10,671,889.27 and 3,329,858.13
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Solution
The fourth proportional to 7,119,569.49, 10,671,889.27 and 3,329,858.13 is: 4,991,295.79
Step by Step Solution
- Step 1: Write the proportion equation
7,119,569.49 : 10,671,889.27 = 3,329,858.13 : x - Step 2: Convert to fraction form
7,119,569.49/10,671,889.27 = 3,329,858.13/x - Step 3: Cross multiply
7,119,569.49x = 10,671,889.27 × 3,329,858.13 - Step 4: Simplify right side
7,119,569.49x = 35,535,877,248,169.27 - Step 5: Solve for x
x = 35,535,877,248,169.27/7,119,569.49 - Step 6: Final answer
x = 4,991,295.79
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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.