Finding the Fourth Proportional to 1,898,665.05, 2,620,135.58 and 1,027,479.54
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Solution
The fourth proportional to 1,898,665.05, 2,620,135.58 and 1,027,479.54 is: 1,417,909.75
Step by Step Solution
- Step 1: Write the proportion equation
1,898,665.05 : 2,620,135.58 = 1,027,479.54 : x - Step 2: Convert to fraction form
1,898,665.05/2,620,135.58 = 1,027,479.54/x - Step 3: Cross multiply
1,898,665.05x = 2,620,135.58 × 1,027,479.54 - Step 4: Simplify right side
1,898,665.05x = 2,692,135,695,338.64 - Step 5: Solve for x
x = 2,692,135,695,338.64/1,898,665.05 - Step 6: Final answer
x = 1,417,909.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.