Finding the Fourth Proportional to 5,064,335.60, 6,989,448.42 and 2,888,379.95
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Solution
The fourth proportional to 5,064,335.60, 6,989,448.42 and 2,888,379.95 is: 3,986,343.77
Step by Step Solution
- Step 1: Write the proportion equation
5,064,335.60 : 6,989,448.42 = 2,888,379.95 : x - Step 2: Convert to fraction form
5,064,335.60/6,989,448.42 = 2,888,379.95/x - Step 3: Cross multiply
5,064,335.60x = 6,989,448.42 × 2,888,379.95 - Step 4: Simplify right side
5,064,335.60x = 20,188,182,642,939.93 - Step 5: Solve for x
x = 20,188,182,642,939.93/5,064,335.60 - Step 6: Final answer
x = 3,986,343.77
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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.