Home / 2,907,312.48-4,012,050.78-1,618,153.20

Finding the Fourth Proportional to 2,907,312.48, 4,012,050.78 and 1,618,153.20

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Solution

The fourth proportional to 2,907,312.48, 4,012,050.78 and 1,618,153.20 is: 2,233,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,312.48 : 4,012,050.78 = 1,618,153.20 : x
  2. Step 2: Convert to fraction form
    2,907,312.48/4,012,050.78 = 1,618,153.20/x
  3. Step 3: Cross multiply
    2,907,312.48x = 4,012,050.78 × 1,618,153.20
  4. Step 4: Simplify right side
    2,907,312.48x = 6,492,112,808,219.50
  5. Step 5: Solve for x
    x = 6,492,112,808,219.50/2,907,312.48
  6. Step 6: Final answer
    x = 2,233,028.91

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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.