Finding the Fourth Proportional to 1,341,483.84, 2,012,290.34 and 442,905.68
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Solution
The fourth proportional to 1,341,483.84, 2,012,290.34 and 442,905.68 is: 664,379.84
Step by Step Solution
- Step 1: Write the proportion equation
1,341,483.84 : 2,012,290.34 = 442,905.68 : x - Step 2: Convert to fraction form
1,341,483.84/2,012,290.34 = 442,905.68/x - Step 3: Cross multiply
1,341,483.84x = 2,012,290.34 × 442,905.68 - Step 4: Simplify right side
1,341,483.84x = 891,254,824,211.33 - Step 5: Solve for x
x = 891,254,824,211.33/1,341,483.84 - Step 6: Final answer
x = 664,379.84
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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.