Home / 2,871,948.90-3,963,964.85-1,785,041.34

Finding the Fourth Proportional to 2,871,948.90, 3,963,964.85 and 1,785,041.34

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Solution

The fourth proportional to 2,871,948.90, 3,963,964.85 and 1,785,041.34 is: 2,463,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,948.90 : 3,963,964.85 = 1,785,041.34 : x
  2. Step 2: Convert to fraction form
    2,871,948.90/3,963,964.85 = 1,785,041.34/x
  3. Step 3: Cross multiply
    2,871,948.90x = 3,963,964.85 × 1,785,041.34
  4. Step 4: Simplify right side
    2,871,948.90x = 7,075,841,127,556.90
  5. Step 5: Solve for x
    x = 7,075,841,127,556.90/2,871,948.90
  6. Step 6: Final answer
    x = 2,463,776.82

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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.