Finding the Fourth Proportional to 1,607,433.52, 2,218,226.58 and 909,701.42
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Solution
The fourth proportional to 1,607,433.52, 2,218,226.58 and 909,701.42 is: 1,255,370.03
Step by Step Solution
- Step 1: Write the proportion equation
1,607,433.52 : 2,218,226.58 = 909,701.42 : x - Step 2: Convert to fraction form
1,607,433.52/2,218,226.58 = 909,701.42/x - Step 3: Cross multiply
1,607,433.52x = 2,218,226.58 × 909,701.42 - Step 4: Simplify right side
1,607,433.52x = 2,017,923,869,707.74 - Step 5: Solve for x
x = 2,017,923,869,707.74/1,607,433.52 - Step 6: Final answer
x = 1,255,370.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.