Finding the Fourth Proportional to 1,972,621.94, 2,956,317.07 and 1,013,038.74
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Solution
The fourth proportional to 1,972,621.94, 2,956,317.07 and 1,013,038.74 is: 1,518,214.75
Step by Step Solution
- Step 1: Write the proportion equation
1,972,621.94 : 2,956,317.07 = 1,013,038.74 : x - Step 2: Convert to fraction form
1,972,621.94/2,956,317.07 = 1,013,038.74/x - Step 3: Cross multiply
1,972,621.94x = 2,956,317.07 × 1,013,038.74 - Step 4: Simplify right side
1,972,621.94x = 2,994,863,719,633.29 - Step 5: Solve for x
x = 2,994,863,719,633.29/1,972,621.94 - Step 6: Final answer
x = 1,518,214.75
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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.