Home / 3,460,128.20-4,774,884.29-1,911,356.57

Finding the Fourth Proportional to 3,460,128.20, 4,774,884.29 and 1,911,356.57

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Solution

The fourth proportional to 3,460,128.20, 4,774,884.29 and 1,911,356.57 is: 2,637,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,128.20 : 4,774,884.29 = 1,911,356.57 : x
  2. Step 2: Convert to fraction form
    3,460,128.20/4,774,884.29 = 1,911,356.57/x
  3. Step 3: Cross multiply
    3,460,128.20x = 4,774,884.29 × 1,911,356.57
  4. Step 4: Simplify right side
    3,460,128.20x = 9,126,506,434,806.86
  5. Step 5: Solve for x
    x = 9,126,506,434,806.86/3,460,128.20
  6. Step 6: Final answer
    x = 2,637,620.89

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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.