Finding the Fourth Proportional to 1,464,774.76, 2,195,387.90 and 621,555.08
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Solution
The fourth proportional to 1,464,774.76, 2,195,387.90 and 621,555.08 is: 931,579.75
Step by Step Solution
- Step 1: Write the proportion equation
1,464,774.76 : 2,195,387.90 = 621,555.08 : x - Step 2: Convert to fraction form
1,464,774.76/2,195,387.90 = 621,555.08/x - Step 3: Cross multiply
1,464,774.76x = 2,195,387.90 × 621,555.08 - Step 4: Simplify right side
1,464,774.76x = 1,364,554,501,815.53 - Step 5: Solve for x
x = 1,364,554,501,815.53/1,464,774.76 - Step 6: Final answer
x = 931,579.75
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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.