Finding the Fourth Proportional to 2,918,779.68, 4,027,746.72 and 1,629,701.68
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Solution
The fourth proportional to 2,918,779.68, 4,027,746.72 and 1,629,701.68 is: 2,248,893.82
Step by Step Solution
- Step 1: Write the proportion equation
2,918,779.68 : 4,027,746.72 = 1,629,701.68 : x - Step 2: Convert to fraction form
2,918,779.68/4,027,746.72 = 1,629,701.68/x - Step 3: Cross multiply
2,918,779.68x = 4,027,746.72 × 1,629,701.68 - Step 4: Simplify right side
2,918,779.68x = 6,564,025,596,198.49 - Step 5: Solve for x
x = 6,564,025,596,198.49/2,918,779.68 - Step 6: Final answer
x = 2,248,893.82
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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.