Finding the Fourth Proportional to 1,532,966.84, 2,115,559.62 and 853,903.64
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Solution
The fourth proportional to 1,532,966.84, 2,115,559.62 and 853,903.64 is: 1,178,423.44
Step by Step Solution
- Step 1: Write the proportion equation
1,532,966.84 : 2,115,559.62 = 853,903.64 : x - Step 2: Convert to fraction form
1,532,966.84/2,115,559.62 = 853,903.64/x - Step 3: Cross multiply
1,532,966.84x = 2,115,559.62 × 853,903.64 - Step 4: Simplify right side
1,532,966.84x = 1,806,484,060,155.02 - Step 5: Solve for x
x = 1,806,484,060,155.02/1,532,966.84 - Step 6: Final answer
x = 1,178,423.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.