Home / 2,087,707.17-2,881,041.35-1,217,058.81

Finding the Fourth Proportional to 2,087,707.17, 2,881,041.35 and 1,217,058.81

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Solution

The fourth proportional to 2,087,707.17, 2,881,041.35 and 1,217,058.81 is: 1,679,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,707.17 : 2,881,041.35 = 1,217,058.81 : x
  2. Step 2: Convert to fraction form
    2,087,707.17/2,881,041.35 = 1,217,058.81/x
  3. Step 3: Cross multiply
    2,087,707.17x = 2,881,041.35 × 1,217,058.81
  4. Step 4: Simplify right side
    2,087,707.17x = 3,506,396,750,906.50
  5. Step 5: Solve for x
    x = 3,506,396,750,906.50/2,087,707.17
  6. Step 6: Final answer
    x = 1,679,544.34

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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.