Finding the Fourth Proportional to 1,624,398.68, 2,240,966.51 and 979,460.58
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Solution
The fourth proportional to 1,624,398.68, 2,240,966.51 and 979,460.58 is: 1,351,231.31
Step by Step Solution
- Step 1: Write the proportion equation
1,624,398.68 : 2,240,966.51 = 979,460.58 : x - Step 2: Convert to fraction form
1,624,398.68/2,240,966.51 = 979,460.58/x - Step 3: Cross multiply
1,624,398.68x = 2,240,966.51 × 979,460.58 - Step 4: Simplify right side
1,624,398.68x = 2,194,938,357,645.18 - Step 5: Solve for x
x = 2,194,938,357,645.18/1,624,398.68 - Step 6: Final answer
x = 1,351,231.31
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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.