Finding the Fourth Proportional to 1,664,259.19, 2,296,672.71 and 900,312.55
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Solution
The fourth proportional to 1,664,259.19, 2,296,672.71 and 900,312.55 is: 1,242,428.63
Step by Step Solution
- Step 1: Write the proportion equation
1,664,259.19 : 2,296,672.71 = 900,312.55 : x - Step 2: Convert to fraction form
1,664,259.19/2,296,672.71 = 900,312.55/x - Step 3: Cross multiply
1,664,259.19x = 2,296,672.71 × 900,312.55 - Step 4: Simplify right side
1,664,259.19x = 2,067,723,252,572.15 - Step 5: Solve for x
x = 2,067,723,252,572.15/1,664,259.19 - Step 6: Final answer
x = 1,242,428.63
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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.