Finding the Fourth Proportional to 1,435,863.28, 2,137,853.93 and 1,415,756.08
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Solution
The fourth proportional to 1,435,863.28, 2,137,853.93 and 1,415,756.08 is: 2,107,916.36
Step by Step Solution
- Step 1: Write the proportion equation
1,435,863.28 : 2,137,853.93 = 1,415,756.08 : x - Step 2: Convert to fraction form
1,435,863.28/2,137,853.93 = 1,415,756.08/x - Step 3: Cross multiply
1,435,863.28x = 2,137,853.93 × 1,415,756.08 - Step 4: Simplify right side
1,435,863.28x = 3,026,679,699,549.40 - Step 5: Solve for x
x = 3,026,679,699,549.40/1,435,863.28 - Step 6: Final answer
x = 2,107,916.36
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.