Finding the Fourth Proportional to 1,733,060.79, 2,390,818.09 and 1,121,411.06
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Solution
The fourth proportional to 1,733,060.79, 2,390,818.09 and 1,121,411.06 is: 1,547,025.85
Step by Step Solution
- Step 1: Write the proportion equation
1,733,060.79 : 2,390,818.09 = 1,121,411.06 : x - Step 2: Convert to fraction form
1,733,060.79/2,390,818.09 = 1,121,411.06/x - Step 3: Cross multiply
1,733,060.79x = 2,390,818.09 × 1,121,411.06 - Step 4: Simplify right side
1,733,060.79x = 2,681,089,840,526.00 - Step 5: Solve for x
x = 2,681,089,840,526.00/1,733,060.79 - Step 6: Final answer
x = 1,547,025.85
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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.