Finding the Fourth Proportional to 1,535,725.41, 2,120,068.35 and 955,135.70
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Solution
The fourth proportional to 1,535,725.41, 2,120,068.35 and 955,135.70 is: 1,318,564.47
Step by Step Solution
- Step 1: Write the proportion equation
1,535,725.41 : 2,120,068.35 = 955,135.70 : x - Step 2: Convert to fraction form
1,535,725.41/2,120,068.35 = 955,135.70/x - Step 3: Cross multiply
1,535,725.41x = 2,120,068.35 × 955,135.70 - Step 4: Simplify right side
1,535,725.41x = 2,024,952,967,525.10 - Step 5: Solve for x
x = 2,024,952,967,525.10/1,535,725.41 - Step 6: Final answer
x = 1,318,564.47
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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.