Home / 2,075,953.16-2,864,750.40-1,217,085.45

Finding the Fourth Proportional to 2,075,953.16, 2,864,750.40 and 1,217,085.45

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Solution

The fourth proportional to 2,075,953.16, 2,864,750.40 and 1,217,085.45 is: 1,679,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,953.16 : 2,864,750.40 = 1,217,085.45 : x
  2. Step 2: Convert to fraction form
    2,075,953.16/2,864,750.40 = 1,217,085.45/x
  3. Step 3: Cross multiply
    2,075,953.16x = 2,864,750.40 × 1,217,085.45
  4. Step 4: Simplify right side
    2,075,953.16x = 3,486,646,029,721.68
  5. Step 5: Solve for x
    x = 3,486,646,029,721.68/2,075,953.16
  6. Step 6: Final answer
    x = 1,679,539.84

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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.