Home / 2,953,128.39-4,426,749.18-1,247,701.20

Finding the Fourth Proportional to 2,953,128.39, 4,426,749.18 and 1,247,701.20

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Solution

The fourth proportional to 2,953,128.39, 4,426,749.18 and 1,247,701.20 is: 1,870,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,128.39 : 4,426,749.18 = 1,247,701.20 : x
  2. Step 2: Convert to fraction form
    2,953,128.39/4,426,749.18 = 1,247,701.20/x
  3. Step 3: Cross multiply
    2,953,128.39x = 4,426,749.18 × 1,247,701.20
  4. Step 4: Simplify right side
    2,953,128.39x = 5,523,260,263,985.02
  5. Step 5: Solve for x
    x = 5,523,260,263,985.02/2,953,128.39
  6. Step 6: Final answer
    x = 1,870,308.21

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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.