Home / 2,156,963.63-2,977,688.45-1,341,430.04

Finding the Fourth Proportional to 2,156,963.63, 2,977,688.45 and 1,341,430.04

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Solution

The fourth proportional to 2,156,963.63, 2,977,688.45 and 1,341,430.04 is: 1,851,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,963.63 : 2,977,688.45 = 1,341,430.04 : x
  2. Step 2: Convert to fraction form
    2,156,963.63/2,977,688.45 = 1,341,430.04/x
  3. Step 3: Cross multiply
    2,156,963.63x = 2,977,688.45 × 1,341,430.04
  4. Step 4: Simplify right side
    2,156,963.63x = 3,994,360,729,883.89
  5. Step 5: Solve for x
    x = 3,994,360,729,883.89/2,156,963.63
  6. Step 6: Final answer
    x = 1,851,844.27

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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.