Finding the Fourth Proportional to 2,313,655.20, 3,478,777.20 and 1,948,701.60
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Solution
The fourth proportional to 2,313,655.20, 3,478,777.20 and 1,948,701.60 is: 2,930,038.45
Step by Step Solution
- Step 1: Write the proportion equation
2,313,655.20 : 3,478,777.20 = 1,948,701.60 : x - Step 2: Convert to fraction form
2,313,655.20/3,478,777.20 = 1,948,701.60/x - Step 3: Cross multiply
2,313,655.20x = 3,478,777.20 × 1,948,701.60 - Step 4: Simplify right side
2,313,655.20x = 6,779,098,695,683.52 - Step 5: Solve for x
x = 6,779,098,695,683.52/2,313,655.20 - Step 6: Final answer
x = 2,930,038.45
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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.