Finding the Fourth Proportional to 1,642,918.28, 2,266,281.06 and 989,089.52
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Solution
The fourth proportional to 1,642,918.28, 2,266,281.06 and 989,089.52 is: 1,364,373.92
Step by Step Solution
- Step 1: Write the proportion equation
1,642,918.28 : 2,266,281.06 = 989,089.52 : x - Step 2: Convert to fraction form
1,642,918.28/2,266,281.06 = 989,089.52/x - Step 3: Cross multiply
1,642,918.28x = 2,266,281.06 × 989,089.52 - Step 4: Simplify right side
1,642,918.28x = 2,241,554,845,820.49 - Step 5: Solve for x
x = 2,241,554,845,820.49/1,642,918.28 - Step 6: Final answer
x = 1,364,373.92
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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.