Home / 4,985,663.10-7,478,494.65-1,620,210.30

Finding the Fourth Proportional to 4,985,663.10, 7,478,494.65 and 1,620,210.30

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Solution

The fourth proportional to 4,985,663.10, 7,478,494.65 and 1,620,210.30 is: 2,430,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,663.10 : 7,478,494.65 = 1,620,210.30 : x
  2. Step 2: Convert to fraction form
    4,985,663.10/7,478,494.65 = 1,620,210.30/x
  3. Step 3: Cross multiply
    4,985,663.10x = 7,478,494.65 × 1,620,210.30
  4. Step 4: Simplify right side
    4,985,663.10x = 12,116,734,060,424.90
  5. Step 5: Solve for x
    x = 12,116,734,060,424.90/4,985,663.10
  6. Step 6: Final answer
    x = 2,430,315.45

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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.