Finding the Fourth Proportional to 2,603,398.32, 3,907,616.28 and 1,256,509.08
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Solution
The fourth proportional to 2,603,398.32, 3,907,616.28 and 1,256,509.08 is: 1,885,979.29
Step by Step Solution
- Step 1: Write the proportion equation
2,603,398.32 : 3,907,616.28 = 1,256,509.08 : x - Step 2: Convert to fraction form
2,603,398.32/3,907,616.28 = 1,256,509.08/x - Step 3: Cross multiply
2,603,398.32x = 3,907,616.28 × 1,256,509.08 - Step 4: Simplify right side
2,603,398.32x = 4,909,955,317,437.74 - Step 5: Solve for x
x = 4,909,955,317,437.74/2,603,398.32 - Step 6: Final answer
x = 1,885,979.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.