Finding the Fourth Proportional to 4,352,230.40, 6,528,345.60 and 3,290,547.20
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Solution
The fourth proportional to 4,352,230.40, 6,528,345.60 and 3,290,547.20 is: 4,935,820.80
Step by Step Solution
- Step 1: Write the proportion equation
4,352,230.40 : 6,528,345.60 = 3,290,547.20 : x - Step 2: Convert to fraction form
4,352,230.40/6,528,345.60 = 3,290,547.20/x - Step 3: Cross multiply
4,352,230.40x = 6,528,345.60 × 3,290,547.20 - Step 4: Simplify right side
4,352,230.40x = 21,481,829,334,712.32 - Step 5: Solve for x
x = 21,481,829,334,712.32/4,352,230.40 - Step 6: Final answer
x = 4,935,820.80
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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.