Home / 3,079,166.78-4,249,078.47-1,702,430.90

Finding the Fourth Proportional to 3,079,166.78, 4,249,078.47 and 1,702,430.90

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Solution

The fourth proportional to 3,079,166.78, 4,249,078.47 and 1,702,430.90 is: 2,349,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,166.78 : 4,249,078.47 = 1,702,430.90 : x
  2. Step 2: Convert to fraction form
    3,079,166.78/4,249,078.47 = 1,702,430.90/x
  3. Step 3: Cross multiply
    3,079,166.78x = 4,249,078.47 × 1,702,430.90
  4. Step 4: Simplify right side
    3,079,166.78x = 7,233,762,483,852.72
  5. Step 5: Solve for x
    x = 7,233,762,483,852.72/3,079,166.78
  6. Step 6: Final answer
    x = 2,349,259.72

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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.