Home / 3,066,746.81-4,232,139.47-1,690,140.09

Finding the Fourth Proportional to 3,066,746.81, 4,232,139.47 and 1,690,140.09

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Solution

The fourth proportional to 3,066,746.81, 4,232,139.47 and 1,690,140.09 is: 2,332,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,746.81 : 4,232,139.47 = 1,690,140.09 : x
  2. Step 2: Convert to fraction form
    3,066,746.81/4,232,139.47 = 1,690,140.09/x
  3. Step 3: Cross multiply
    3,066,746.81x = 4,232,139.47 × 1,690,140.09
  4. Step 4: Simplify right side
    3,066,746.81x = 7,152,908,598,476.20
  5. Step 5: Solve for x
    x = 7,152,908,598,476.20/3,066,746.81
  6. Step 6: Final answer
    x = 2,332,409.24

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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.