Finding the Fourth Proportional to 1,726,395.40, 2,589,366.30 and 528,437.80
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Solution
The fourth proportional to 1,726,395.40, 2,589,366.30 and 528,437.80 is: 792,587.28
Step by Step Solution
- Step 1: Write the proportion equation
1,726,395.40 : 2,589,366.30 = 528,437.80 : x - Step 2: Convert to fraction form
1,726,395.40/2,589,366.30 = 528,437.80/x - Step 3: Cross multiply
1,726,395.40x = 2,589,366.30 × 528,437.80 - Step 4: Simplify right side
1,726,395.40x = 1,368,319,030,966.14 - Step 5: Solve for x
x = 1,368,319,030,966.14/1,726,395.40 - Step 6: Final answer
x = 792,587.28
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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.