Finding the Fourth Proportional to 4,478,167.48, 6,174,987.40 and 3,025,340.32
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Solution
The fourth proportional to 4,478,167.48, 6,174,987.40 and 3,025,340.32 is: 4,171,670.32
Step by Step Solution
- Step 1: Write the proportion equation
4,478,167.48 : 6,174,987.40 = 3,025,340.32 : x - Step 2: Convert to fraction form
4,478,167.48/6,174,987.40 = 3,025,340.32/x - Step 3: Cross multiply
4,478,167.48x = 6,174,987.40 × 3,025,340.32 - Step 4: Simplify right side
4,478,167.48x = 18,681,438,356,711.97 - Step 5: Solve for x
x = 18,681,438,356,711.97/4,478,167.48 - Step 6: Final answer
x = 4,171,670.32
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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.