Finding the Fourth Proportional to 4,742,331.84, 7,113,726.72 and 1,547,454.24
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Solution
The fourth proportional to 4,742,331.84, 7,113,726.72 and 1,547,454.24 is: 2,321,256.07
Step by Step Solution
- Step 1: Write the proportion equation
4,742,331.84 : 7,113,726.72 = 1,547,454.24 : x - Step 2: Convert to fraction form
4,742,331.84/7,113,726.72 = 1,547,454.24/x - Step 3: Cross multiply
4,742,331.84x = 7,113,726.72 × 1,547,454.24 - Step 4: Simplify right side
4,742,331.84x = 11,008,166,575,065.29 - Step 5: Solve for x
x = 11,008,166,575,065.29/4,742,331.84 - Step 6: Final answer
x = 2,321,256.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.