Home / 5,130,966-7,698,681.28-3,216,265.28

Finding the Fourth Proportional to 5,130,966, 7,698,681.28 and 3,216,265.28

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Solution

The fourth proportional to 5,130,966, 7,698,681.28 and 3,216,265.28 is: 4,825,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,966 : 7,698,681.28 = 3,216,265.28 : x
  2. Step 2: Convert to fraction form
    5,130,966/7,698,681.28 = 3,216,265.28/x
  3. Step 3: Cross multiply
    5,130,966x = 7,698,681.28 × 3,216,265.28
  4. Step 4: Simplify right side
    5,130,966x = 24,761,001,302,649.96
  5. Step 5: Solve for x
    x = 24,761,001,302,649.96/5,130,966
  6. Step 6: Final answer
    x = 4,825,797.19

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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.