Finding the Fourth Proportional to 1,640,582.40, 2,460,873.60 and 1,242,001.65
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Solution
The fourth proportional to 1,640,582.40, 2,460,873.60 and 1,242,001.65 is: 1,863,002.48
Step by Step Solution
- Step 1: Write the proportion equation
1,640,582.40 : 2,460,873.60 = 1,242,001.65 : x - Step 2: Convert to fraction form
1,640,582.40/2,460,873.60 = 1,242,001.65/x - Step 3: Cross multiply
1,640,582.40x = 2,460,873.60 × 1,242,001.65 - Step 4: Simplify right side
1,640,582.40x = 3,056,409,071,641.44 - Step 5: Solve for x
x = 3,056,409,071,641.44/1,640,582.40 - Step 6: Final answer
x = 1,863,002.48
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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.