Finding the Fourth Proportional to 1,660,389.63, 2,490,783.95 and 1,569,587.97
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Solution
The fourth proportional to 1,660,389.63, 2,490,783.95 and 1,569,587.97 is: 2,354,570.55
Step by Step Solution
- Step 1: Write the proportion equation
1,660,389.63 : 2,490,783.95 = 1,569,587.97 : x - Step 2: Convert to fraction form
1,660,389.63/2,490,783.95 = 1,569,587.97/x - Step 3: Cross multiply
1,660,389.63x = 2,490,783.95 × 1,569,587.97 - Step 4: Simplify right side
1,660,389.63x = 3,909,504,523,789.08 - Step 5: Solve for x
x = 3,909,504,523,789.08/1,660,389.63 - Step 6: Final answer
x = 2,354,570.55
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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.