Finding the Fourth Proportional to 4,712,919.77, 7,069,369.19 and 1,254,660.31
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Solution
The fourth proportional to 4,712,919.77, 7,069,369.19 and 1,254,660.31 is: 1,881,987.69
Step by Step Solution
- Step 1: Write the proportion equation
4,712,919.77 : 7,069,369.19 = 1,254,660.31 : x - Step 2: Convert to fraction form
4,712,919.77/7,069,369.19 = 1,254,660.31/x - Step 3: Cross multiply
4,712,919.77x = 7,069,369.19 × 1,254,660.31 - Step 4: Simplify right side
4,712,919.77x = 8,869,656,978,314.81 - Step 5: Solve for x
x = 8,869,656,978,314.81/4,712,919.77 - Step 6: Final answer
x = 1,881,987.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.