Finding the Fourth Proportional to 6,257,069.37, 8,630,294.94 and 5,742,482.04
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Solution
The fourth proportional to 6,257,069.37, 8,630,294.94 and 5,742,482.04 is: 7,920,531.28
Step by Step Solution
- Step 1: Write the proportion equation
6,257,069.37 : 8,630,294.94 = 5,742,482.04 : x - Step 2: Convert to fraction form
6,257,069.37/8,630,294.94 = 5,742,482.04/x - Step 3: Cross multiply
6,257,069.37x = 8,630,294.94 × 5,742,482.04 - Step 4: Simplify right side
6,257,069.37x = 49,559,313,692,852.88 - Step 5: Solve for x
x = 49,559,313,692,852.88/6,257,069.37 - Step 6: Final answer
x = 7,920,531.28
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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.