Finding the Fourth Proportional to 1,804,844.23, 2,490,368.76 and 1,030,121.35
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Solution
The fourth proportional to 1,804,844.23, 2,490,368.76 and 1,030,121.35 is: 1,421,386.95
Step by Step Solution
- Step 1: Write the proportion equation
1,804,844.23 : 2,490,368.76 = 1,030,121.35 : x - Step 2: Convert to fraction form
1,804,844.23/2,490,368.76 = 1,030,121.35/x - Step 3: Cross multiply
1,804,844.23x = 2,490,368.76 × 1,030,121.35 - Step 4: Simplify right side
1,804,844.23x = 2,565,382,022,823.10 - Step 5: Solve for x
x = 2,565,382,022,823.10/1,804,844.23 - Step 6: Final answer
x = 1,421,386.95
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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.