Home / 2,872,953.70-4,309,430.55-2,830,963.30

Finding the Fourth Proportional to 2,872,953.70, 4,309,430.55 and 2,830,963.30

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Solution

The fourth proportional to 2,872,953.70, 4,309,430.55 and 2,830,963.30 is: 4,246,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,953.70 : 4,309,430.55 = 2,830,963.30 : x
  2. Step 2: Convert to fraction form
    2,872,953.70/4,309,430.55 = 2,830,963.30/x
  3. Step 3: Cross multiply
    2,872,953.70x = 4,309,430.55 × 2,830,963.30
  4. Step 4: Simplify right side
    2,872,953.70x = 12,199,839,730,948.81
  5. Step 5: Solve for x
    x = 12,199,839,730,948.81/2,872,953.70
  6. Step 6: Final answer
    x = 4,246,444.95

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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.