Finding the Fourth Proportional to 1,709,579.40, 2,358,478.26 and 1,030,129.80
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Solution
The fourth proportional to 1,709,579.40, 2,358,478.26 and 1,030,129.80 is: 1,421,132.44
Step by Step Solution
- Step 1: Write the proportion equation
1,709,579.40 : 2,358,478.26 = 1,030,129.80 : x - Step 2: Convert to fraction form
1,709,579.40/2,358,478.26 = 1,030,129.80/x - Step 3: Cross multiply
1,709,579.40x = 2,358,478.26 × 1,030,129.80 - Step 4: Simplify right side
1,709,579.40x = 2,429,538,738,278.15 - Step 5: Solve for x
x = 2,429,538,738,278.15/1,709,579.40 - Step 6: Final answer
x = 1,421,132.44
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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.