Finding the Fourth Proportional to 1,429,239.60, 2,143,203.30 and 630,109.80
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Solution
The fourth proportional to 1,429,239.60, 2,143,203.30 and 630,109.80 is: 944,875.44
Step by Step Solution
- Step 1: Write the proportion equation
1,429,239.60 : 2,143,203.30 = 630,109.80 : x - Step 2: Convert to fraction form
1,429,239.60/2,143,203.30 = 630,109.80/x - Step 3: Cross multiply
1,429,239.60x = 2,143,203.30 × 630,109.80 - Step 4: Simplify right side
1,429,239.60x = 1,350,453,402,722.34 - Step 5: Solve for x
x = 1,350,453,402,722.34/1,429,239.60 - Step 6: Final answer
x = 944,875.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.