Finding the Fourth Proportional to 1,732,155.74, 2,390,166.30 and 957,681.98
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Solution
The fourth proportional to 1,732,155.74, 2,390,166.30 and 957,681.98 is: 1,321,485.80
Step by Step Solution
- Step 1: Write the proportion equation
1,732,155.74 : 2,390,166.30 = 957,681.98 : x - Step 2: Convert to fraction form
1,732,155.74/2,390,166.30 = 957,681.98/x - Step 3: Cross multiply
1,732,155.74x = 2,390,166.30 × 957,681.98 - Step 4: Simplify right side
1,732,155.74x = 2,289,019,206,068.08 - Step 5: Solve for x
x = 2,289,019,206,068.08/1,732,155.74 - Step 6: Final answer
x = 1,321,485.80
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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.