Home / 1,918,912.16-2,648,140.04-1,059,526.72

Finding the Fourth Proportional to 1,918,912.16, 2,648,140.04 and 1,059,526.72

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Solution

The fourth proportional to 1,918,912.16, 2,648,140.04 and 1,059,526.72 is: 1,462,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,912.16 : 2,648,140.04 = 1,059,526.72 : x
  2. Step 2: Convert to fraction form
    1,918,912.16/2,648,140.04 = 1,059,526.72/x
  3. Step 3: Cross multiply
    1,918,912.16x = 2,648,140.04 × 1,059,526.72
  4. Step 4: Simplify right side
    1,918,912.16x = 2,805,775,130,681.87
  5. Step 5: Solve for x
    x = 2,805,775,130,681.87/1,918,912.16
  6. Step 6: Final answer
    x = 1,462,169.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.