Finding the Fourth Proportional to 2,345,494.19, 3,236,437.62 and 1,312,948.31
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Solution
The fourth proportional to 2,345,494.19, 3,236,437.62 and 1,312,948.31 is: 1,811,675.90
Step by Step Solution
- Step 1: Write the proportion equation
2,345,494.19 : 3,236,437.62 = 1,312,948.31 : x - Step 2: Convert to fraction form
2,345,494.19/3,236,437.62 = 1,312,948.31/x - Step 3: Cross multiply
2,345,494.19x = 3,236,437.62 × 1,312,948.31 - Step 4: Simplify right side
2,345,494.19x = 4,249,275,287,417.23 - Step 5: Solve for x
x = 4,249,275,287,417.23/2,345,494.19 - Step 6: Final answer
x = 1,811,675.90
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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.