Finding the Fourth Proportional to 1,513,351.77, 2,264,420.43 and 1,212,921.15
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Solution
The fourth proportional to 1,513,351.77, 2,264,420.43 and 1,212,921.15 is: 1,814,887.65
Step by Step Solution
- Step 1: Write the proportion equation
1,513,351.77 : 2,264,420.43 = 1,212,921.15 : x - Step 2: Convert to fraction form
1,513,351.77/2,264,420.43 = 1,212,921.15/x - Step 3: Cross multiply
1,513,351.77x = 2,264,420.43 × 1,212,921.15 - Step 4: Simplify right side
1,513,351.77x = 2,746,563,432,039.09 - Step 5: Solve for x
x = 2,746,563,432,039.09/1,513,351.77 - Step 6: Final answer
x = 1,814,887.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.