Finding the Fourth Proportional to 4,354,495.63, 6,009,409.10 and 2,420,788.50
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Solution
The fourth proportional to 4,354,495.63, 6,009,409.10 and 2,420,788.50 is: 3,340,802.17
Step by Step Solution
- Step 1: Write the proportion equation
4,354,495.63 : 6,009,409.10 = 2,420,788.50 : x - Step 2: Convert to fraction form
4,354,495.63/6,009,409.10 = 2,420,788.50/x - Step 3: Cross multiply
4,354,495.63x = 6,009,409.10 × 2,420,788.50 - Step 4: Simplify right side
4,354,495.63x = 14,547,508,447,127.32 - Step 5: Solve for x
x = 14,547,508,447,127.32/4,354,495.63 - Step 6: Final answer
x = 3,340,802.17
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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.