Finding the Fourth Proportional to 1,542,930.96, 2,314,763.28 and 643,873.08
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Solution
The fourth proportional to 1,542,930.96, 2,314,763.28 and 643,873.08 is: 965,962.70
Step by Step Solution
- Step 1: Write the proportion equation
1,542,930.96 : 2,314,763.28 = 643,873.08 : x - Step 2: Convert to fraction form
1,542,930.96/2,314,763.28 = 643,873.08/x - Step 3: Cross multiply
1,542,930.96x = 2,314,763.28 × 643,873.08 - Step 4: Simplify right side
1,542,930.96x = 1,490,413,762,564.50 - Step 5: Solve for x
x = 1,490,413,762,564.50/1,542,930.96 - Step 6: Final answer
x = 965,962.70
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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.