Home / 1,974,423.12-2,724,886.54-1,199,875.20

Finding the Fourth Proportional to 1,974,423.12, 2,724,886.54 and 1,199,875.20

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Solution

The fourth proportional to 1,974,423.12, 2,724,886.54 and 1,199,875.20 is: 1,655,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,423.12 : 2,724,886.54 = 1,199,875.20 : x
  2. Step 2: Convert to fraction form
    1,974,423.12/2,724,886.54 = 1,199,875.20/x
  3. Step 3: Cross multiply
    1,974,423.12x = 2,724,886.54 × 1,199,875.20
  4. Step 4: Simplify right side
    1,974,423.12x = 3,269,523,782,159.81
  5. Step 5: Solve for x
    x = 3,269,523,782,159.81/1,974,423.12
  6. Step 6: Final answer
    x = 1,655,938.76

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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.