Home / 1,919,112.10-2,878,668.15-974,328.10

Finding the Fourth Proportional to 1,919,112.10, 2,878,668.15 and 974,328.10

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Solution

The fourth proportional to 1,919,112.10, 2,878,668.15 and 974,328.10 is: 1,461,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,112.10 : 2,878,668.15 = 974,328.10 : x
  2. Step 2: Convert to fraction form
    1,919,112.10/2,878,668.15 = 974,328.10/x
  3. Step 3: Cross multiply
    1,919,112.10x = 2,878,668.15 × 974,328.10
  4. Step 4: Simplify right side
    1,919,112.10x = 2,804,767,269,120.01
  5. Step 5: Solve for x
    x = 2,804,767,269,120.01/1,919,112.10
  6. Step 6: Final answer
    x = 1,461,492.15

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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.