Home / 2,657,106.40-3,985,659.60-973,991.20

Finding the Fourth Proportional to 2,657,106.40, 3,985,659.60 and 973,991.20

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Solution

The fourth proportional to 2,657,106.40, 3,985,659.60 and 973,991.20 is: 1,460,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,106.40 : 3,985,659.60 = 973,991.20 : x
  2. Step 2: Convert to fraction form
    2,657,106.40/3,985,659.60 = 973,991.20/x
  3. Step 3: Cross multiply
    2,657,106.40x = 3,985,659.60 × 973,991.20
  4. Step 4: Simplify right side
    2,657,106.40x = 3,881,997,376,595.52
  5. Step 5: Solve for x
    x = 3,881,997,376,595.52/2,657,106.40
  6. Step 6: Final answer
    x = 1,460,986.80

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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.