Home / 2,075,881.80-3,113,822.70-579,971.40

Finding the Fourth Proportional to 2,075,881.80, 3,113,822.70 and 579,971.40

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Solution

The fourth proportional to 2,075,881.80, 3,113,822.70 and 579,971.40 is: 869,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,881.80 : 3,113,822.70 = 579,971.40 : x
  2. Step 2: Convert to fraction form
    2,075,881.80/3,113,822.70 = 579,971.40/x
  3. Step 3: Cross multiply
    2,075,881.80x = 3,113,822.70 × 579,971.40
  4. Step 4: Simplify right side
    2,075,881.80x = 1,805,928,110,670.78
  5. Step 5: Solve for x
    x = 1,805,928,110,670.78/2,075,881.80
  6. Step 6: Final answer
    x = 869,957.10

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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.