Finding the Fourth Proportional to 1,675,303.85, 2,312,722.44 and 1,031,276.09
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Solution
The fourth proportional to 1,675,303.85, 2,312,722.44 and 1,031,276.09 is: 1,423,655.39
Step by Step Solution
- Step 1: Write the proportion equation
1,675,303.85 : 2,312,722.44 = 1,031,276.09 : x - Step 2: Convert to fraction form
1,675,303.85/2,312,722.44 = 1,031,276.09/x - Step 3: Cross multiply
1,675,303.85x = 2,312,722.44 × 1,031,276.09 - Step 4: Simplify right side
1,675,303.85x = 2,385,055,343,614.85 - Step 5: Solve for x
x = 2,385,055,343,614.85/1,675,303.85 - Step 6: Final answer
x = 1,423,655.39
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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.