Finding the Fourth Proportional to 1,643,816.23, 2,465,955.81 and 506,670.09
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Solution
The fourth proportional to 1,643,816.23, 2,465,955.81 and 506,670.09 is: 760,076.48
Step by Step Solution
- Step 1: Write the proportion equation
1,643,816.23 : 2,465,955.81 = 506,670.09 : x - Step 2: Convert to fraction form
1,643,816.23/2,465,955.81 = 506,670.09/x - Step 3: Cross multiply
1,643,816.23x = 2,465,955.81 × 506,670.09 - Step 4: Simplify right side
1,643,816.23x = 1,249,426,052,188.72 - Step 5: Solve for x
x = 1,249,426,052,188.72/1,643,816.23 - Step 6: Final answer
x = 760,076.48
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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.