Finding the Fourth Proportional to 1,779,987.99, 2,456,395.22 and 964,191.66
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Solution
The fourth proportional to 1,779,987.99, 2,456,395.22 and 964,191.66 is: 1,330,590.88
Step by Step Solution
- Step 1: Write the proportion equation
1,779,987.99 : 2,456,395.22 = 964,191.66 : x - Step 2: Convert to fraction form
1,779,987.99/2,456,395.22 = 964,191.66/x - Step 3: Cross multiply
1,779,987.99x = 2,456,395.22 × 964,191.66 - Step 4: Simplify right side
1,779,987.99x = 2,368,435,779,966.91 - Step 5: Solve for x
x = 2,368,435,779,966.91/1,779,987.99 - Step 6: Final answer
x = 1,330,590.88
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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.