Finding the Fourth Proportional to 1,493,289.70, 2,239,934.55 and 546,345.70
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Solution
The fourth proportional to 1,493,289.70, 2,239,934.55 and 546,345.70 is: 819,518.55
Step by Step Solution
- Step 1: Write the proportion equation
1,493,289.70 : 2,239,934.55 = 546,345.70 : x - Step 2: Convert to fraction form
1,493,289.70/2,239,934.55 = 546,345.70/x - Step 3: Cross multiply
1,493,289.70x = 2,239,934.55 × 546,345.70 - Step 4: Simplify right side
1,493,289.70x = 1,223,778,609,673.93 - Step 5: Solve for x
x = 1,223,778,609,673.93/1,493,289.70 - Step 6: Final answer
x = 819,518.55
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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.