Finding the Fourth Proportional to 4,354,490.19, 6,009,401.58 and 2,420,783.10
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Solution
The fourth proportional to 4,354,490.19, 6,009,401.58 and 2,420,783.10 is: 3,340,794.71
Step by Step Solution
- Step 1: Write the proportion equation
4,354,490.19 : 6,009,401.58 = 2,420,783.10 : x - Step 2: Convert to fraction form
4,354,490.19/6,009,401.58 = 2,420,783.10/x - Step 3: Cross multiply
4,354,490.19x = 6,009,401.58 × 2,420,783.10 - Step 4: Simplify right side
4,354,490.19x = 14,547,457,785,977.30 - Step 5: Solve for x
x = 14,547,457,785,977.30/4,354,490.19 - Step 6: Final answer
x = 3,340,794.71
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1.5x scale
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.