Finding the Fourth Proportional to 5,729,665.99, 7,906,901.14 and 3,249,355.80
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Solution
The fourth proportional to 5,729,665.99, 7,906,901.14 and 3,249,355.80 is: 4,484,089.50
Step by Step Solution
- Step 1: Write the proportion equation
5,729,665.99 : 7,906,901.14 = 3,249,355.80 : x - Step 2: Convert to fraction form
5,729,665.99/7,906,901.14 = 3,249,355.80/x - Step 3: Cross multiply
5,729,665.99x = 7,906,901.14 × 3,249,355.80 - Step 4: Simplify right side
5,729,665.99x = 25,692,335,103,859.38 - Step 5: Solve for x
x = 25,692,335,103,859.38/5,729,665.99 - Step 6: Final answer
x = 4,484,089.50
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1.5x scale
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.