Home / 1,666,485.90-2,298,829.74-1,356,721.70

Finding the Fourth Proportional to 1,666,485.90, 2,298,829.74 and 1,356,721.70

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Solution

The fourth proportional to 1,666,485.90, 2,298,829.74 and 1,356,721.70 is: 1,871,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,485.90 : 2,298,829.74 = 1,356,721.70 : x
  2. Step 2: Convert to fraction form
    1,666,485.90/2,298,829.74 = 1,356,721.70/x
  3. Step 3: Cross multiply
    1,666,485.90x = 2,298,829.74 × 1,356,721.70
  4. Step 4: Simplify right side
    1,666,485.90x = 3,118,872,182,117.72
  5. Step 5: Solve for x
    x = 3,118,872,182,117.72/1,666,485.90
  6. Step 6: Final answer
    x = 1,871,526.30

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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.