Home / 1,638,276.60-2,457,414.90-1,000,547.40

Finding the Fourth Proportional to 1,638,276.60, 2,457,414.90 and 1,000,547.40

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Solution

The fourth proportional to 1,638,276.60, 2,457,414.90 and 1,000,547.40 is: 1,500,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,276.60 : 2,457,414.90 = 1,000,547.40 : x
  2. Step 2: Convert to fraction form
    1,638,276.60/2,457,414.90 = 1,000,547.40/x
  3. Step 3: Cross multiply
    1,638,276.60x = 2,457,414.90 × 1,000,547.40
  4. Step 4: Simplify right side
    1,638,276.60x = 2,458,760,088,916.26
  5. Step 5: Solve for x
    x = 2,458,760,088,916.26/1,638,276.60
  6. Step 6: Final answer
    x = 1,500,821.10

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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.