Home / 2,688,929.60-4,032,616.80-982,875.20

Finding the Fourth Proportional to 2,688,929.60, 4,032,616.80 and 982,875.20

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Solution

The fourth proportional to 2,688,929.60, 4,032,616.80 and 982,875.20 is: 1,474,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,929.60 : 4,032,616.80 = 982,875.20 : x
  2. Step 2: Convert to fraction form
    2,688,929.60/4,032,616.80 = 982,875.20/x
  3. Step 3: Cross multiply
    2,688,929.60x = 4,032,616.80 × 982,875.20
  4. Step 4: Simplify right side
    2,688,929.60x = 3,963,559,043,823.36
  5. Step 5: Solve for x
    x = 3,963,559,043,823.36/2,688,929.60
  6. Step 6: Final answer
    x = 1,474,028.57

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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.