Home / 1,871,570.70-2,803,419.45-1,556,642.70

Finding the Fourth Proportional to 1,871,570.70, 2,803,419.45 and 1,556,642.70

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Solution

The fourth proportional to 1,871,570.70, 2,803,419.45 and 1,556,642.70 is: 2,331,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,570.70 : 2,803,419.45 = 1,556,642.70 : x
  2. Step 2: Convert to fraction form
    1,871,570.70/2,803,419.45 = 1,556,642.70/x
  3. Step 3: Cross multiply
    1,871,570.70x = 2,803,419.45 × 1,556,642.70
  4. Step 4: Simplify right side
    1,871,570.70x = 4,363,922,421,880.52
  5. Step 5: Solve for x
    x = 4,363,922,421,880.52/1,871,570.70
  6. Step 6: Final answer
    x = 2,331,689.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.