Home / 3,130,688.40-4,697,587.80-1,237,491.60

Finding the Fourth Proportional to 3,130,688.40, 4,697,587.80 and 1,237,491.60

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Solution

The fourth proportional to 3,130,688.40, 4,697,587.80 and 1,237,491.60 is: 1,856,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,688.40 : 4,697,587.80 = 1,237,491.60 : x
  2. Step 2: Convert to fraction form
    3,130,688.40/4,697,587.80 = 1,237,491.60/x
  3. Step 3: Cross multiply
    3,130,688.40x = 4,697,587.80 × 1,237,491.60
  4. Step 4: Simplify right side
    3,130,688.40x = 5,813,225,442,762.48
  5. Step 5: Solve for x
    x = 5,813,225,442,762.48/3,130,688.40
  6. Step 6: Final answer
    x = 1,856,852.14

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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.