Finding the Fourth Proportional to 1,776,437.90, 2,664,656.85 and 1,657,465.10
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Solution
The fourth proportional to 1,776,437.90, 2,664,656.85 and 1,657,465.10 is: 2,486,197.65
Step by Step Solution
- Step 1: Write the proportion equation
1,776,437.90 : 2,664,656.85 = 1,657,465.10 : x - Step 2: Convert to fraction form
1,776,437.90/2,664,656.85 = 1,657,465.10/x - Step 3: Cross multiply
1,776,437.90x = 2,664,656.85 × 1,657,465.10 - Step 4: Simplify right side
1,776,437.90x = 4,416,575,732,350.94 - Step 5: Solve for x
x = 4,416,575,732,350.94/1,776,437.90 - Step 6: Final answer
x = 2,486,197.65
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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.