Finding the Fourth Proportional to 1,989,913.60, 2,983,989.76 and 569,646.08
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Solution
The fourth proportional to 1,989,913.60, 2,983,989.76 and 569,646.08 is: 854,217.02
Step by Step Solution
- Step 1: Write the proportion equation
1,989,913.60 : 2,983,989.76 = 569,646.08 : x - Step 2: Convert to fraction form
1,989,913.60/2,983,989.76 = 569,646.08/x - Step 3: Cross multiply
1,989,913.60x = 2,983,989.76 × 569,646.08 - Step 4: Simplify right side
1,989,913.60x = 1,699,818,069,544.14 - Step 5: Solve for x
x = 1,699,818,069,544.14/1,989,913.60 - Step 6: Final answer
x = 854,217.02
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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.